Level 15 Level 17
28 words 0 ignored
Ready to learn Ready to review
Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.
adj. (Synonym: MAN-MADE) artificial; made by combining chemical substances rather than being produced naturally by plants or animals
prefix. (in nouns, adjectives and adverbs) connected with living things or human life
n. [U] the quality that sth has of being able to stretch and return to its original size and shape.
v.  (formal) to copy sth exactly Synonym: DUPLICATE.  (itself) (technical) (of a VIRUS or a MOLECULE) to produce exact copies of itself.
n. a single thin piece of thread, wire, hair, etc.
n. a straight line going from one side of a circle or any other round object to the other side, passing through the centre.
n. (also informal chute) a device that is attached to people or objects to make them fall slowly and safely when they are dropped from an aircraft. It consists of a large piece of thin cloth that opens out in the air to form an umbrella shape.
v. to take or show sb where they should go. [phrasal verb] ~ sth<->in (formal) to be the beginning of sth new or to make sth new begin.
n. (biology) a plant or an animal that is produced artificially from the cells of another plant or animal and is therefore exactly the same as it.
n. a FUNGUS used in making beer and wine, or to make bread rise yeasty adjective (men).
n. a very small drop or ball of a liquid or of a solid that has been melted.
n. [U] a type of hard stone that is usually white and often has coloured lines in it. It can be polished and is used in building and for making statues, etc.
v. (technical) to pass solid or liquid waste matter from the body excretion noun.
adj. (to sth) equal in value, amount, meaning, importance, etc.
n. a living thing, especially one that is extremely small.
v. for sb/sth to take the place of sb/sth else; to use sb/sth instead of sb/sth else..... exp: The recipe says you can ~ yoghurt for the sour cream
v. (in sth) (of a solid) to mix with a liquid and become part of it.
n. a substance, especially a liquid, that can dissolve another substance.
v. to imagine what will happen in the future.
n. a bridge that hangs from steel cables that are supported by towers at each end.
v. to look or behave like sth else Synonym: IMITATE.
n. (of sth / of doing sth) ~ (that ...) the possibility that sth will happen...exp:There is no immediate ~ of peace...an idea of what might or will happen in the future...exp:an exciting ~....the chances of being successful...exp:good job/employment/career ~s.
v. to make sb have a particular feeling or attitude....Matt's behavior was (~-e)ing the interest of the neighbors.
adj. (of sb/sth) wanting to be in the same situation as sb else; wanting sth that sb else has....exp:Colleagues were ~ of her success.
n. a substance that you use to make things stick together.
n. a small shellfish that can be eaten, with a black shell in two parts.
adj. lasting or taking too long and not interesting.
adj. (formal) used to describe a person or thing that takes the place of, or is used instead of, sb/sth else...exp:She saw him as a sort of ~ father