Collins Primary Illustrated Dictionary

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Collins Dictionaries

Год написания книги

2019

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NOUN 1 money, equipment or services provided for people in need

2 something that makes a job easier • The whiteboard is a useful teaching aid.

ailment ailments

NOUN a minor illness

aim aims, aiming, aimed

VERB 1 If you aim at something, you point a weapon at it.

2 If you aim to do something, you are planning to do it.

SYNONYMS: intend, mean

NOUN 3 Your aim is what you intend to achieve. • The aim of the jumble sale is to raise money for charity.

SYNONYMS: goal, objective

aimless

ADJECTIVE If you are aimless, you have no clear purpose or sense of direction.

aimlessly ADVERB

air

NOUN 1 the mixture of oxygen and other gases that we breathe and that forms the earth’s atmosphere

2 the space around things or above the ground • The balloons floated up into the air.

3 used to refer to travel in aircraft • My uncle often travels by air.

air conditioning

NOUN a way of keeping cool, fresh air in a building

aircraft

NOUN any vehicle that can fly

air force air forces

NOUN the part of a country’s armed services that fights using aircraft

airline airlines

NOUN a company that provides air travel

airmail

NOUN the system of sending letters and parcels by air • He sent letters from Hong Kong to Britain by airmail.

airport airports

NOUN a place where people go to catch aeroplanes

airtight

ADJECTIVE If something is airtight, no air can get in or out.

aisle aisles

NOUN a long, narrow gap that people can walk along between rows of seats or shelves • The ticket collector was coming down the aisle.

ajar

ADJECTIVE A door or window that is ajar is slightly open.

alarm alarms, alarming, alarmed

NOUN 1 a feeling of fear and worry • The cat sprang back in alarm.

2 an automatic device used to warn people of something • The burglar alarm went off accidentally.

VERB 3 If something alarms you, it makes you worried and anxious.

album albums

NOUN 1 a CD, cassette or record with a number of songs on it

2 a book in which you keep a collection of things, such as photographs or stamps

alcohol

NOUN the name for drinks such as beer, wine and spirits

alert alerts, alerting, alerted

ADJECTIVE 1 If you are alert, you are paying full attention to what is happening.

SYNONYMS: vigilant, watchful

VERB 2 If you alert someone to a problem or danger, you warn them of it.

algebra

NOUN a branch of mathematics in which symbols and letters are used to represent unknown numbers