Unit 3 Flashcards
Vocabulary
Commercial (adj)
related to making money by buying and selling things
Adjust (v)
to change something slightly, especially to make it more correct, effective, or suitable to become more familiar with a new situation
Biofuel (n)
a fuel that is made from living things or their waste and is less harmful to the environment than other types of fuel
Bomb (n)
a weapon that explodes and is used to kill or hurt people or to damage buildings
Boost (v)
“to increase or improve something
an occasion when something is improved or increased”
Colony (n)
“a country or area controlled politically by a more powerful country that is often far away
a group of people with a shared interest or job who live together in a way that is separate from other people”
Committee (n)
a small group of people chosen to represent a larger organization and either make decisions or collect information for it
Consume (v)
to use fuel, energy, time, or a product, especially in large amounts to eat or drink something
Density (n)
the number of people or things in a place when compared with the size of the place the relationship between the mass of a substance and its size
Dissappointed (adj)
unhappy because someone or something was not as good as you hoped or expected, or because something did not happen
Dud (n)
something that has no value or that does not work not working or not having any value
Economist (n)
a person who studies or has a special knowledge of economics
Expectancy (n)
the feeling that something exciting or pleasant is going to happen
Famine (n)
“an extreme lack of food in a region, causing suffering and death
a situation in which there is not enough food for a great number of people, causing illness and death, or a particular period when this happens”
Fee (n)
an amount of money paid for a particular piece of work or for a particular right or service
Hopeful (adj)
having hope or causing you to hope; believing or causing you to believe that something desired will happen
Lazy (adj)
not willing or not wanting to work or use effort to do something
Mankind (n)
the whole of the human race, including both men and women
Nanotechnology (n)
an area of science that deals with developing and producing extremely small tools and machines by controlling the arran gement of separate atoms
Optimism (n)
the quality of being full of hope and emphasizing the good parts of a situation, or a belief that something good will happen
Overpopulation (n)
the fact of a country or city, etc. having too many people for the amount of food, materials, and space available there
Sincere (adj)
(of a person, feelings, or behaviour) not pretending or lying; honest
Specific (adj)
relating to one thing and not others; particular clear and exact
Starve (v)
to (cause someone to) become very weak or die because there is not enough food to eat
Wartime (n)
a period of time during which a war is being fought
Absorb (v)
“to take something in, especially gradually
to understand facts or ideas completely and remember them”
ATM (n)
Automated Teller Machine: a machine, usually in a wall outside a bank, shop, etc. from which you can take money out of your bank account using a special card
Augment (v)
to increase the size or value of something by adding something to it
Enourmously (adv)
extremely or very much
Etch (v)
to cut a pattern, picture, etc. into a smooth surface, especially on metal or glass, using acid or a sharp instrument
Float (v)
to stay on the surface of a liquid and not sink
Generate (v)
to cause something to exist