Collins Primary Illustrated Dictionary. Collins Dictionaries

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СКАЧАТЬ Someone who is an authority on something, knows a lot about it.

      authorize authorizes, authorizing, authorized

      VERB If someone authorizes something, they give official permission for it.

      authorization NOUN

      auto-

      PREFIX 1 self or same • autobiography

      2 self-propelling • automatic car

      autobiography autobiographies

      NOUN an account of someone’s life that they have written themselves

      autobiographical ADJECTIVE

      autograph autographs

      NOUN the signature of a famous person

      [from Greek auto meaning self and graphos meaning written]

      automatic automatics

      ADJECTIVE 1 An automatic machine is programmed to perform tasks without needing a person to operate it.

      NOUN 2 a car in which the gears change automatically as the car’s speed changes

      autumn autumns

      NOUN the season between summer and winter, when the leaves fall off the trees • I love the golden colours of the trees in autumn.

      available

      ADJECTIVE 1 If something is available, it is easy to get or to buy.

      2 A person who is available is ready for work or free to talk to.

      avalanche avalanches

      NOUN a huge mass of snow and ice that falls down a mountainside

      avenue avenues

      NOUN a street, especially one with trees along it

      average averages

      NOUN 1 a result obtained by adding several amounts together and then dividing the total by the number of different amounts • If I shared 36 sweets between four children, the average would be nine sweets per child.

      ADJECTIVE 2 standard or usual • The average teenager is interested in pop music.

      SYNONYMS: normal, ordinary, typical

      PHRASE 3 You say on average when mentioning what usually happens in a situation. • Men are, on average, taller than women.

      aviary aviaries

      NOUN a large cage or group of cages in which birds are kept

      aviation

      NOUN the science of flying aircraft

      avocado avocados

      NOUN a pear-shaped fruit with dark green skin, soft greenish-yellow flesh, and a large stone

      avoid avoids, avoiding, avoided

      VERB 1 If you avoid someone or something, you keep away from them. • To avoid him, she went home the other way.

      2 If you avoid doing something, you make an effort not to do it.

      SYNONYMS: dodge, shirk

      awake

      ADJECTIVE Someone who is awake is not sleeping.

      award awards, awarding, awarded

      NOUN 1 a prize or certificate for doing something well

      VERB 2 If someone awards you something, they give it to you formally or officially. • He was awarded the prize for fastest runner.

      aware

      ADJECTIVE 1 If you are aware of something, you know about it.

      2 If you are aware of something, you can see, hear, smell or feel it.

      away

      ADVERB 1 moving from a place • I saw them walk away from the house.

      2 at a distance from a place • The nearest supermarket is 12 kilometres away.

      3 in its proper place • He put his CDs away.

      4 not at home, school or work • My friend’s been away from school for a week.

      awe

      NOUN FORMAL a feeling of great respect mixed with amazement, and sometimes slight fear • Looking up at the mountains, we felt a sense of awe.

      awful

      ADJECTIVE very unpleasant or very bad • Isn’t the weather awful?

      SYNONYMS: dreadful, terrible

      awkward

      ADJECTIVE 1 difficult to deal with • an awkward situation

      2 clumsy and uncomfortable • The large bag was awkward to carry.

      [from Old Norse ofugr meaning turned the wrong way]

      axe axes

      NOUN a tool with a handle and a sharp blade, used for chopping wood

      axis axes

      NOUN 1 an imaginary line through the middle of something, around which it moves • The earth turns on its axis.

      2 one of the two sides of a graph

      axle axles

      NOUN the long bar that connects a pair of wheels on a vehicle

Bb

      babble babbles, babbling, babbled

      VERB If someone babbles, they talk in a quick and confused way that is difficult to understand.

      baboon baboons

      NOUN an African monkey with a pointed face, large teeth and a long tail

      baby babies

      NOUN a child in the first year or two of its life

      baby-sit baby-sits, baby-sitting, baby-sat

      VERB If you baby-sit for someone, you look after their children while they are out.

      bachelor bachelors

      NOUN a man who has never been married

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