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PTE Academic Environment and science

Integrated Academic English: Environment & change

Advanced academic language for synthesis, comparison, argument, and data description. Focus: environment & change.

Independent PTE Academic study resource — not official exam material.

  • Teens and up
  • Environment & science
  • Advanced · C1
  • 250 words

The words

Every word in this set, with what it means. Tap a word to hear it.

cleft
a natural crack in something, especially the surface of rocks or the Earth
“Learners saw the word “cleft” while comparing two sides of the environmental project issue.”
geyser
a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
“A clear definition of the word “geyser” helped the group discuss the environmental project topic.”
glucose
a natural form of sugar that exists in fruit
“Learners saw the word “glucose” while comparing two sides of the environmental project issue.”
languid
moving slowly and involving very little energy
“The report describes the environmental project issue as languid.”
artless
natural, honest, and sincere
“Researchers describe the environmental project evidence as artless.”
graphite
a soft black substance that is a kind of carbon , used in pencils, paints, and electrical equipment
“The environmental project report includes a section on the word “graphite.””
leakage
when gas, water etc leaks in or out, or the amount of it that has leaked
“Learners saw the word “leakage” while comparing two sides of the environmental project issue.”
perversion
a type of sexual behaviour that is considered unnatural and unacceptable
“The speaker used the word “perversion” while explaining the environmental project problem.”
gutter
the low part at the edge of a road where water collects and flows away
“A clear definition of the word “gutter” helped the group discuss the environmental project topic.”
sprinkler
a piece of equipment used for scattering water on grass or soil
“Learners saw the word “sprinkler” while comparing two sides of the environmental project issue.”
photon
a unit of energy that carries light and has zero mass
“The environmental project report includes a section on the word “photon.””
landfill
a place where waste is buried under the ground
“Learners saw the word “landfill” while comparing two sides of the environmental project issue.”
slough
an area of land covered in deep dirty water or mud
“Learners saw the word “slough” while comparing two sides of the environmental project issue.”
turbid
turbid water or liquid is dirty and muddy
“Researchers describe the environmental project evidence as turbid.”
wade
to walk through water that is not deep
“The speaker explains how “wade” is used in a report about the environmental project.”
contrived
seeming false and not natural
“Researchers describe the environmental project evidence as contrived.”
gargoyle
a stone figure of a strange and ugly creature, that carries rain water from the roof of an old building, especially a church
“Learners saw the word “gargoyle” while comparing two sides of the environmental project issue.”
sublimate
to use the energy that comes from sexual feelings to do something, such as work or art, that is more acceptable to your society
“Learners hear “sublimate” while following the environmental project explanation.”
ecstasy
an illegal drug that gives a feeling of happiness and energy. Ecstasy is especially used by people who go out to dance at clubs and parties.
“The environmental project report includes a section on the word “ecstasy.””
gusher
a place in the ground where oil or water comes out very forcefully, so that a pump is not needed
“Learners saw the word “gusher” while comparing two sides of the environmental project issue.”
limnetic
of, relating to, or inhabiting the open water of lakes down to the depth of light penetration
“The speaker uses “limnetic” to characterize the environmental project situation.”
virility
the typically male quality of being strong, brave, and full of energy – used to show approval
“The environmental project report includes a section on the word “virility.””
gulch
a narrow deep valley formed in the past by flowing water, but usually dry now
“A clear definition of the word “gulch” helped the group discuss the environmental project topic.”
macerate
to make something soft by leaving it in water, or to become soft in this way
“Learners hear “macerate” while following the environmental project explanation.”
untamed
untamed land is still in its natural state and has not been developed by people
“Researchers describe the environmental project evidence as untamed.”
desiccate
to remove most of the water from (a substance or material); dehydrate
“The speaker explains how “desiccate” is used in a report about the environmental project.”
factitious
made to happen artificially by people rather than happening naturally
“During the environmental project discussion, “factitious” signals a particular quality.”
swill
to wash something by pouring a lot of water over it or into it
“A clear example helps learners use “swill” in a sentence about the environmental project.”
exhilaration
a feeling of being happy, excited, and full of energy
“The environmental project report includes a section on the word “exhilaration.””
douse
to stop a fire from burning by pouring water on it
“In the environmental project discussion, the verb “douse” describes an action or change.”
fissure
a deep crack, especially in rock or earth
“The speaker used the word “fissure” while explaining the environmental project problem.”
lassitude
tiredness and lack of energy or interest
“Learners saw the word “lassitude” while comparing two sides of the environmental project issue.”
bouncing
healthy and full of energy
“The speaker uses “bouncing” to characterize the environmental project situation.”
frisky
full of energy and fun
“The report describes the environmental project issue as frisky.”
potable
potable water is safe to drink
“During the environmental project discussion, “potable” signals a particular quality.”
preternatural
beyond what is usual or normal
“The speaker uses “preternatural” to characterize the environmental project situation.”
subliminal
affecting your mind in a way that you are not conscious of
“The report describes the environmental project issue as subliminal.”
catholic
A Catholic is a member of the Catholic Church
“A clear definition of the word “catholic” helped the group discuss the environmental project topic.”
deduct
to take away an amount or part from a total
“The speaker explains how “deduct” is used in a report about the environmental project.”
duration
the length of time that something continues
“Learners saw the word “duration” while comparing two sides of the environmental project issue.”
elapse
if a particular period of time elapses, it passes
“Learners hear “elapse” while following the environmental project explanation.”
emission
a gas or other substance that is sent into the air
“A clear definition of the word “emission” helped the group discuss the environmental project topic.”
granite
a very hard grey rock, often used in building
“Learners saw the word “granite” while comparing two sides of the environmental project issue.”
layman
someone who is not trained in a particular subject or type of work, especially when they are being compared with someone who is
“Learners saw the word “layman” while comparing two sides of the environmental project issue.”
longevity
the amount of time that someone or something lives
“The speaker used the word “longevity” while explaining the environmental project problem.”
mingle
to combine or make one thing combine with another
“In the environmental project discussion, the verb “mingle” describes an action or change.”
outrage
to make someone feel very angry and shocked
“A clear example helps learners use “outrage” in a sentence about the environmental project.”
proportional
something that is proportional to something else is in the correct or most suitable relationship to it in size, amount, importance etc
“The speaker uses “proportional” to characterize the environmental project situation.”
requisite
something that is needed for a particular purpose
“A clear definition of the word “requisite” helped the group discuss the environmental project topic.”
squash
to use your power or authority to stop something
“The speaker explains how “squash” is used in a report about the environmental project.”
substance
a particular type of solid, liquid, or gas
“The environmental project report includes a section on the word “substance.””
accurate
correct and true in every detail
“The report describes the environmental project issue as accurate.”
groove
a thin line cut into a hard surface
“Learners saw the word “groove” while comparing two sides of the environmental project issue.”
instruct
to officially tell someone what to do
“In the environmental project discussion, the verb “instruct” describes an action or change.”
mass
the amount of material in something
“The environmental project report includes a section on the word “mass.””
skull
the bones of a person’s or animal’s head
“A clear definition of the word “skull” helped the group discuss the environmental project topic.”
trifle
something unimportant or not valuable
“Learners saw the word “trifle” while comparing two sides of the environmental project issue.”
combustion
the process of burning
“A clear definition of the word “combustion” helped the group discuss the environmental project topic.”
bewilder
to confuse someone
“Learners hear “bewilder” while following the environmental project explanation.”
kinetic
relating to movement
“During the environmental project discussion, “kinetic” signals a particular quality.”
tabulate
to arrange figures or information together in a set or a list, so that they can be easily compared
“Learners hear “tabulate” while following the environmental project explanation.”
reservation
an arrangement which you make so that a place in a hotel, restaurant, plane etc is kept for you at a particular time in the future
“Learners saw the word “reservation” while comparing two sides of the environmental project issue.”
by-product
something additional that is produced during a natural or industrial process
“The speaker used the word “by-product” while explaining the environmental project problem.”
Saturn
the planet that is sixth in order from the sun and is surrounded by large rings
“The speaker used the word “saturn” while explaining the environmental project problem.”
affiliation
the connection or involvement that someone or something has with a political, religious etc organization
“Learners saw the word “affiliation” while comparing two sides of the environmental project issue.”
aurora
an atmospheric phenomenon consisting of bands, curtains, or streamers of light, usually green, red, or yellow, that move across the sky in polar regions
“Learners saw the word “aurora” while comparing two sides of the environmental project issue.”
authoritative
an authoritative book, account etc is respected because the person who wrote it knows a lot about the subject
“The speaker uses “authoritative” to characterize the environmental project situation.”
objection
a reason that you have for opposing or disapproving of something, or something you say that expresses this
“The speaker used the word “objection” while explaining the environmental project problem.”
pact
a formal agreement between two groups, countries, or people, especially to help each other or to stop fighting
“The environmental project report includes a section on the word “pact.””
quarantine
to keep a person or animal apart from others for a period of time in case they are carrying a disease
“In the environmental project discussion, the verb “quarantine” describes an action or change.”
responsible
if someone is responsible for an accident, mistake, crime etc, it is their fault or they can be blamed
“Researchers describe the environmental project evidence as responsible.”
syndrome
an illness which consists of a set of physical or mental problems – often used in the name of illnesses
“The speaker used the word “syndrome” while explaining the environmental project problem.”
boycott
to refuse to buy something, use something, or take part in something as a way of protesting
“In the environmental project discussion, the verb “boycott” describes an action or change.”
critic
someone whose job is to make judgments about the good and bad qualities of art, music, films etc
“Learners saw the word “critic” while comparing two sides of the environmental project issue.”
hoard
to collect and save large amounts of food, money etc, especially when it is not necessary to do so
“Learners hear “hoard” while following the environmental project explanation.”
impartial
not involved in a particular situation, and therefore able to give a fair opinion or piece of advice
“During the environmental project discussion, “impartial” signals a particular quality.”
inflate
to fill something with air or gas so it becomes larger, or to become filled with air or gas
“A clear example helps learners use “inflate” in a sentence about the environmental project.”
respect
to admire someone because they have high standards and good qualities such as fairness and honesty
“Learners hear “respect” while following the environmental project explanation.”
revelation
a surprising fact about someone or something that was previously secret and is now made known
“The speaker used the word “revelation” while explaining the environmental project problem.”
appease
to make someone less angry or stop them from attacking you by giving them what they want
“A clear example helps learners use “appease” in a sentence about the environmental project.”
audition
An audition is a short performance given by an actor, dancer, or musician so that a director or conductor can decide if they are good enough to be in a play, film, or orchestra
“The speaker used the word “audition” while explaining the environmental project problem.”
equity
a situation in which all people are treated equally and no one has an unfair advantage
“The speaker used the word “equity” while explaining the environmental project problem.”
indicate
to show that a particular situation exists, or that something is likely to be true
“The speaker explains how “indicate” is used in a report about the environmental project.”
jargon
words and expressions used in a particular profession or by a particular group of people, which are difficult for other people to understand – often used to show disapproval
“The speaker used the word “jargon” while explaining the environmental project problem.”
larva
a young insect with a soft tube-shaped body, which will later become an insect with wings
“Learners saw the word “larva” while comparing two sides of the environmental project issue.”
residential
a residential part of a town consists of private houses, with no offices or factories
“The report describes the environmental project issue as residential.”
underlying
the cause, idea etc that is the most important, although it is not easily noticed
“The speaker uses “underlying” to characterize the environmental project situation.”
arthritis
a disease that causes the joints of your body to become swollen and very painful
“Learners saw the word “arthritis” while comparing two sides of the environmental project issue.”
district
an area of a town or the countryside, especially one with particular features
“Learners saw the word “district” while comparing two sides of the environmental project issue.”
embryo
an animal or human that has not yet been born, and has just begun to develop
“Learners saw the word “embryo” while comparing two sides of the environmental project issue.”
endure
to be in a difficult or painful situation for a long time without complaining
“A clear example helps learners use “endure” in a sentence about the environmental project.”
intermediate
an intermediate stage in a process of development is between two other stages
“During the environmental project discussion, “intermediate” signals a particular quality.”
precipitation
a chemical process in which a solid substance is separated from a liquid
“A clear definition of the word “precipitation” helped the group discuss the environmental project topic.”
punch
a metal tool for cutting holes or for pushing something into a small hole
“Learners saw the word “punch” while comparing two sides of the environmental project issue.”
scorn
the feeling that someone or something is stupid or does not deserve respect
“The speaker used the word “scorn” while explaining the environmental project problem.”
shroud
a cloth that is wrapped around a dead person’s body before it is buried
“The speaker used the word “shroud” while explaining the environmental project problem.”
virtue
an advantage that makes something better or more useful than something else
“A clear definition of the word “virtue” helped the group discuss the environmental project topic.”
analogous
similar to another situation or thing so that a comparison can be made
“The speaker uses “analogous” to characterize the environmental project situation.”
assent
to agree to a suggestion, idea etc after considering it carefully
“Learners hear “assent” while following the environmental project explanation.”
base
the most important part of something, from which new ideas develop
“A clear definition of the word “base” helped the group discuss the environmental project topic.”
construction
the process of building things such as houses, bridges, roads etc
“A clear definition of the word “construction” helped the group discuss the environmental project topic.”
cortex
the outer layer of an organ in your body, especially your brain
“The speaker used the word “cortex” while explaining the environmental project problem.”
glacier
a large mass of ice which moves slowly down a mountain valley
“A clear definition of the word “glacier” helped the group discuss the environmental project topic.”
hybrid
an animal or plant produced from parents of different breeds or types
“Learners saw the word “hybrid” while comparing two sides of the environmental project issue.”
indignant
angry and surprised because you feel insulted or unfairly treated
“The report describes the environmental project issue as indignant.”
irrevocable
an irrevocable decision, action etc cannot be changed or stopped
“Researchers describe the environmental project evidence as irrevocable.”
methane
a gas that you cannot see or smell, which can be burned to give heat
“Learners saw the word “methane” while comparing two sides of the environmental project issue.”
outstrip
to do something better than someone else or be more successful
“Learners hear “outstrip” while following the environmental project explanation.”
precedent
something of the same type that has happened or existed before
“Learners saw the word “precedent” while comparing two sides of the environmental project issue.”
reimburse
to pay money back to someone when their money has been spent or lost
“Learners hear “reimburse” while following the environmental project explanation.”
replenish
to put new supplies into something, or to fill something again
“Learners hear “replenish” while following the environmental project explanation.”
subdue
to defeat or control a person or group, especially using force
“In the environmental project discussion, the verb “subdue” describes an action or change.”
antedate
to come from an earlier time in history than something else
“Learners hear “antedate” while following the environmental project explanation.”
asthma
a medical condition that causes difficulties in breathing
“Learners saw the word “asthma” while comparing two sides of the environmental project issue.”
bestow
to give someone something of great value or importance
“In the environmental project discussion, the verb “bestow” describes an action or change.”
commensurate
matching something in size, quality, or length of time
“During the environmental project discussion, “commensurate” signals a particular quality.”
comprehend
to understand something that is complicated or difficult
“The speaker explains how “comprehend” is used in a report about the environmental project.”
construct
to build something such as a house, bridge, road etc
“The speaker explains how “construct” is used in a report about the environmental project.”
devour
to eat something quickly because you are very hungry
“The speaker explains how “devour” is used in a report about the environmental project.”
forsake
to stop doing, using, or having something that you enjoy
“A clear example helps learners use “forsake” in a sentence about the environmental project.”
herald
someone who carried messages from a ruler in the past
“The environmental project report includes a section on the word “herald.””
increment
the amount by which a number, value, or amount increases
“The speaker used the word “increment” while explaining the environmental project problem.”
nimble
able to move quickly and easily with light neat movements
“During the environmental project discussion, “nimble” signals a particular quality.”
ornamental
Something that is ornamental is attractive and decorative
“The speaker uses “ornamental” to characterize the environmental project situation.”
quote
to repeat exactly what someone else has said or written
“Learners hear “quote” while following the environmental project explanation.”
reject
to refuse to accept, believe in, or agree with something
“The speaker explains how “reject” is used in a report about the environmental project.”
rescind
to officially end a law, or change a decision or agreement
“In the environmental project discussion, the verb “rescind” describes an action or change.”
ridicule
to laugh at a person, idea etc and say that they are stupid
“The speaker explains how “ridicule” is used in a report about the environmental project.”
secure
to make something safe from being attacked, harmed, or lost
“A clear example helps learners use “secure” in a sentence about the environmental project.”
sticky
made of or covered with a substance that sticks to surfaces
“During the environmental project discussion, “sticky” signals a particular quality.”
aesthetic
connected with beauty and the study of beauty
“Researchers describe the environmental project evidence as aesthetic.”
anecdote
a short story based on your personal experience
“A clear definition of the word “anecdote” helped the group discuss the environmental project topic.”
aspiration
a strong desire to have or achieve something
“Learners saw the word “aspiration” while comparing two sides of the environmental project issue.”
avert
to prevent something unpleasant from happening
“Learners hear “avert” while following the environmental project explanation.”
comprise
to consist of particular parts, groups etc
“Learners hear “comprise” while following the environmental project explanation.”
dexterity
skill and speed in doing something with your hands
“Learners saw the word “dexterity” while comparing two sides of the environmental project issue.”
diaper
a piece of soft cloth or soft paper that is put between a baby’s legs and fastened around its waist to hold liquid and solid waste
“The speaker used the word “diaper” while explaining the environmental project problem.”
divulge
to give someone information that should be secret
“In the environmental project discussion, the verb “divulge” describes an action or change.”
enlist
to persuade someone to help you to do something
“A clear example helps learners use “enlist” in a sentence about the environmental project.”
forage
to go around searching for food or other supplies
“In the environmental project discussion, the verb “forage” describes an action or change.”
formaldehyde
a strong-smelling gas that can be mixed with water and used for preserving things such as dead animals to be used in science etc
“The environmental project report includes a section on the word “formaldehyde.””
hedge
to avoid giving a direct answer to a question
“The speaker explains how “hedge” is used in a report about the environmental project.”
neutron
a part of an atom that has no electrical charge
“A clear definition of the word “neutron” helped the group discuss the environmental project topic.”
rangeland
land that naturally produces forage plants suitable for grazing but where rainfall is too low or erratic for growing crops
“The environmental project report includes a section on the word “rangeland.””
relieve
to reduce someone’s pain or unpleasant feelings
“In the environmental project discussion, the verb “relieve” describes an action or change.”
stout
fairly fat and heavy, or having a thick body
“During the environmental project discussion, “stout” signals a particular quality.”
stylized
drawn, written, or performed in an artificial style that does not look natural or real, but that is still pleasant to look at
“The report describes the environmental project issue as stylized.”
subjugate
to defeat a person or group and make them obey you
“Learners hear “subjugate” while following the environmental project explanation.”
astrolabe
an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid
“The speaker used the word “astrolabe” while explaining the environmental project problem.”
authenticate
to prove that something is true or real
“A clear example helps learners use “authenticate” in a sentence about the environmental project.”
bilingual
written or spoken in two languages
“During the environmental project discussion, “bilingual” signals a particular quality.”
brew
a drink that is brewed, especially tea
“The environmental project report includes a section on the word “brew.””
delta
the fourth letter of the Greek alphabet
“Learners saw the word “delta” while comparing two sides of the environmental project issue.”
dissuade
to persuade someone not to do something
“Learners hear “dissuade” while following the environmental project explanation.”
grove
a piece of land with trees growing on it
“A clear definition of the word “grove” helped the group discuss the environmental project topic.”
herbivore
an animal that only eats plants
“Learners saw the word “herbivore” while comparing two sides of the environmental project issue.”
proficient
able to do something well or skilfully
“During the environmental project discussion, “proficient” signals a particular quality.”
ruin
to spoil or destroy something completely
“Learners hear “ruin” while following the environmental project explanation.”
settlement
an official agreement or decision that ends an argument, a court case, or a fight, or the action of making an agreement
“The speaker used the word “settlement” while explaining the environmental project problem.”
solvent
having enough money to pay your debts
“During the environmental project discussion, “solvent” signals a particular quality.”
stalemate
a situation in which it seems impossible to settle an argument or disagreement, and neither side can get an advantage
“The environmental project report includes a section on the word “stalemate.””
theophylline
a white crystalline slightly water-soluble alkaloid that is an isomer of theobromine: it occurs in plants, such as tea, and is used to treat asthma
“The speaker used the word “theophylline” while explaining the environmental project problem.”
thrifty
using money carefully and wisely
“Researchers describe the environmental project evidence as thrifty.”
tranquil
pleasantly calm, quiet, and peaceful
“The report describes the environmental project issue as tranquil.”
vegetarian
someone who does not eat meat or fish
“Learners saw the word “vegetarian” while comparing two sides of the environmental project issue.”
ascertain
to find out something
“Learners hear “ascertain” while following the environmental project explanation.”
blunt
to make a feeling less strong
“The speaker explains how “blunt” is used in a report about the environmental project.”
brutal
very cruel and violent
“Researchers describe the environmental project evidence as brutal.”
carnivore
an animal that eats flesh
“The speaker used the word “carnivore” while explaining the environmental project problem.”
cohere
if ideas, arguments, beliefs, statements etc cohere, they are connected in a clear and reasonable way
“Learners hear “cohere” while following the environmental project explanation.”
cuisine
a particular style of cooking
“The environmental project report includes a section on the word “cuisine.””
elliptical
having the shape of an ellipse
“During the environmental project discussion, “elliptical” signals a particular quality.”
fascinating
extremely interesting
“During the environmental project discussion, “fascinating” signals a particular quality.”
optimal
the best or most suitable
“Researchers describe the environmental project evidence as optimal.”
perigee
the point in its orbit around the earth when the moon or an artificial satellite is nearest the earth
“The speaker used the word “perigee” while explaining the environmental project problem.”
relict
a group of animals or plants that exists as a remnant of a formerly widely distributed group in an environment different from that in which it originated
“A clear definition of the word “relict” helped the group discuss the environmental project topic.”
seine
a large fishing net that hangs vertically in the water by means of floats at the top and weights at the bottom
“The environmental project report includes a section on the word “seine.””
symmetric
(of a relation) holding between a pair of arguments x and y when and only when it holds between y and x, as
“The speaker uses “symmetric” to characterize the environmental project situation.”
tarpaulin
a large heavy cloth or piece of thick plastic that water will not pass through, used to keep rain off things
“The environmental project report includes a section on the word “tarpaulin.””
conspicuous
very easy to notice
“During the environmental project discussion, “conspicuous” signals a particular quality.”
disorientate
If something disorientates you, you lose your sense of direction, or you generally feel lost and uncertain, for example, because you are in an unfamiliar environment
“A clear example helps learners use “disorientate” in a sentence about the environmental project.”
excreta
the solid or liquid waste material that people and animals produce and get rid of from their bodies
“The environmental project report includes a section on the word “excreta.””
gallop
a very fast speed
“A clear definition of the word “gallop” helped the group discuss the environmental project topic.”
meridian
one of the imaginary lines from the North Pole to the South Pole, drawn on a map of the Earth
“The speaker used the word “meridian” while explaining the environmental project problem.”
monarch
a king or queen
“The environmental project report includes a section on the word “monarch.””
naturalize
if someone born outside a particular country is naturalized, they become a citizen of that country
“A clear example helps learners use “naturalize” in a sentence about the environmental project.”
sluice
a passage for water to flow through, with a special gate which can be opened or closed to control it
“The speaker used the word “sluice” while explaining the environmental project problem.”
astute
able to understand situations or behaviour very well and very quickly, especially so that you can get an advantage for yourself
“Researchers describe the environmental project evidence as astute.”
autotype
a photographic process for producing prints in black and white, using a carbon pigment
“A clear definition of the word “autotype” helped the group discuss the environmental project topic.”
cleavage
a difference between two people or things that often causes problems or arguments
“The environmental project report includes a section on the word “cleavage.””
counterattack
an attack you make against someone who has attacked you, in a war, sport, or argument
“The environmental project report includes a section on the word “counterattack.””
cramp
a severe pain that you get in part of your body when a muscle becomes too tight, making it difficult for you to move that part of your body
“A clear definition of the word “cramp” helped the group discuss the environmental project topic.”
dendrology
the branch of botany that is concerned with the natural history of trees and shrubs
“A clear definition of the word “dendrology” helped the group discuss the environmental project topic.”
fictitious
Fictitious is used to describe something that is false or does not exist, although some people claim that it is true or exists
“During the environmental project discussion, “fictitious” signals a particular quality.”
gnat
A gnat is a very small flying insect that bites people and usually lives near water
“Learners saw the word “gnat” while comparing two sides of the environmental project issue.”
heretical
A belief or action that is heretical is one that most people think is wrong because it disagrees with beliefs that are generally accepted
“The speaker uses “heretical” to characterize the environmental project situation.”
isthmus
a narrow piece of land with water on both sides, that connects two larger areas of land
“The speaker used the word “isthmus” while explaining the environmental project problem.”
mischievous
someone who is mischievous likes to have fun, especially by playing tricks on people or doing things to annoy or embarrass them
“During the environmental project discussion, “mischievous” signals a particular quality.”
pancreas
a gland inside your body, near your stomach, that produces insulin and a liquid that helps your body to use the food that you eat
“The speaker used the word “pancreas” while explaining the environmental project problem.”
pollen
a fine powder produced by flowers, which is carried by the wind or by insects to other flowers of the same type, making them produce seeds
“Learners saw the word “pollen” while comparing two sides of the environmental project issue.”
refund
to give someone their money back, especially because they are not satisfied with the goods or services they have paid for
“In the environmental project discussion, the verb “refund” describes an action or change.”
seismograph
an instrument that measures and records the movement of the earth during an earthquake
“Learners saw the word “seismograph” while comparing two sides of the environmental project issue.”
spoor
the track of footmarks or solid waste that a wild animal leaves as it moves along
“A clear definition of the word “spoor” helped the group discuss the environmental project topic.”
tarnish
if metals such as silver, copper , or brass tarnish, or if something tarnishes them, they become dull and lose their colour
“The speaker explains how “tarnish” is used in a report about the environmental project.”
teem
If you say that a place is teeming with people or animals, you mean that it is crowded and the people and animals are moving around a lot
“A clear example helps learners use “teem” in a sentence about the environmental project.”
water-borne
A waterborne disease or infection is one that people can catch from infected water
“Researchers describe the environmental project evidence as water-borne.”
aftermath
the period of time after something such as a war, storm, or accident when people are still dealing with the results
“The environmental project report includes a section on the word “aftermath.””
ambush
a sudden attack on someone by people who have been hiding and waiting for them, or the place where this happens
“The environmental project report includes a section on the word “ambush.””
antifreeze
a liquid that is put in the water in car engines to stop it from freezing
“The speaker used the word “antifreeze” while explaining the environmental project problem.”
backwater
a part of a river away from the main part, where the water does not move
“The environmental project report includes a section on the word “backwater.””
ballast
heavy material that is carried by a ship to make it more steady in the water
“A clear definition of the word “ballast” helped the group discuss the environmental project topic.”
breakwater
a wall built out into the sea to protect the shore from the force of the waves
“The environmental project report includes a section on the word “breakwater.””
caterpillar
a small creature like a worm with many legs that eats leaves and that develops into a butterfly or other flying insect
“A clear definition of the word “caterpillar” helped the group discuss the environmental project topic.”
define
to describe something correctly and thoroughly, and to say what standards, limits, qualities etc it has that make it different from other things
“A clear example helps learners use “define” in a sentence about the environmental project.”
grievous
If you describe something such as a loss as grievous, you mean that it is extremely serious or worrying in its effects
“The report describes the environmental project issue as grievous.”
kelvin
a scale of temperature in which water freezes at 273.15 K and boils at 373.15 K
“The speaker used the word “kelvin” while explaining the environmental project problem.”
microbe
an extremely small living thing which you can only see if you use a microscope . Some microbes can cause diseases.
“The speaker used the word “microbe” while explaining the environmental project problem.”
nomad
a member of a tribe that travels from place to place instead of living in one place all the time, usually in order to find grass for their animals
“A clear definition of the word “nomad” helped the group discuss the environmental project topic.”
oomph
a quality that makes something attractive and exciting and that shows energy
“A clear definition of the word “oomph” helped the group discuss the environmental project topic.”
patina
a greenish layer that forms naturally on the surface of copper or bronze
“The speaker used the word “patina” while explaining the environmental project problem.”
prelude
a short piece of music, especially one played at the beginning of a longer musical piece or before a church ceremony
“The speaker used the word “prelude” while explaining the environmental project problem.”
spaghetti
a type of pasta in very long thin pieces, that is cooked in boiling water
“The speaker used the word “spaghetti” while explaining the environmental project problem.”
tremulous
If someone's voice, smile, or actions are tremulous, they are unsteady because the person is uncertain, afraid, or upset
“The report describes the environmental project issue as tremulous.”
truce
an agreement between enemies to stop fighting or arguing for a short time, or the period for which this is arranged
“A clear definition of the word “truce” helped the group discuss the environmental project topic.”
upstream
along a river, in the opposite direction from the way the water is flowing
“The report explains why the environmental project pattern developed upstream.”
campsite
an area where people can camp, often with a water supply and toilets
“Learners saw the word “campsite” while comparing two sides of the environmental project issue.”
circumnavigate
to sail, fly, or travel completely around the Earth, an island etc
“Learners hear “circumnavigate” while following the environmental project explanation.”
code
to put a set of numbers, letters, or symbols on something to show what it is or give information about it
“A clear example helps learners use “code” in a sentence about the environmental project.”
defiant
If you say that someone is defiant, you mean they show aggression or independence by refusing to obey someone
“During the environmental project discussion, “defiant” signals a particular quality.”
derelict
a derelict building or piece of land is in very bad condition because it has not been used for a long time
“The report describes the environmental project issue as derelict.”
detritus
pieces of waste that remain after something has been broken up or used
“The environmental project report includes a section on the word “detritus.””
diatom
any microscopic unicellular alga of the phylum Bacillariophyta, occurring in marine or fresh water singly or in colonies, each cell having a cell wall made of two halves and impregnated with silica
“Learners saw the word “diatom” while comparing two sides of the environmental project issue.”
downstream
in the direction that the water in a river or stream is flowing
“The speaker explained the environmental project change downstream.”
entice
to persuade someone to do something or go somewhere, usually by offering them something that they want
“In the environmental project discussion, the verb “entice” describes an action or change.”
incontinent
unable to control the passing of liquid or solid waste from your body
“The speaker uses “incontinent” to characterize the environmental project situation.”
infiltrate
to secretly join an organization or enter a place in order to find out information about it or harm it
“Learners hear “infiltrate” while following the environmental project explanation.”
interrogate
to ask someone a lot of questions for a long time in order to get information, sometimes using threats
“In the environmental project discussion, the verb “interrogate” describes an action or change.”
monumental
a monumental achievement, piece of work etc is very important and is usually based on many years of work
“The report describes the environmental project issue as monumental.”
platitude
a statement that has been made many times before and is not interesting or clever – used to show disapproval
“The environmental project report includes a section on the word “platitude.””
prorate
If a cost is prorated, it is divided or assessed in a proportional way
“The speaker explains how “prorate” is used in a report about the environmental project.”
rancorous
A rancorous argument or person is full of bitterness and anger
“The report describes the environmental project issue as rancorous.”
reversal
A reversal of a process, policy, or trend is a complete change in it
“The environmental project report includes a section on the word “reversal.””
sardonic
showing that you do not have a good opinion of someone or something, and feel that you are better than them
“During the environmental project discussion, “sardonic” signals a particular quality.”
submission
the state of being completely controlled by a person or group, and accepting that you have to obey them
“The environmental project report includes a section on the word “submission.””
substratum
a layer that lies beneath another layer, especially in the earth
“Learners saw the word “substratum” while comparing two sides of the environmental project issue.”
supplant
to take the place of a person or thing so that they are no longer used, no longer in a position of power etc
“A clear example helps learners use “supplant” in a sentence about the environmental project.”
taboo
a custom that says you must avoid a particular activity or subject, either because it is considered offensive or because your religion does not allow it
“The speaker used the word “taboo” while explaining the environmental project problem.”
tortuous
a tortuous path, stream, road etc has a lot of bends in it and is therefore difficult to travel along
“The speaker uses “tortuous” to characterize the environmental project situation.”
wean
to gradually stop feeding a baby or young animal on its mother’s milk and start giving it ordinary food
“A clear example helps learners use “wean” in a sentence about the environmental project.”
abut
if one piece of land or a building abuts another, it is next to it or touches one side of it
“In the environmental project discussion, the verb “abut” describes an action or change.”