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- Dictionaryair/ɛː/
noun
- 1. the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.
- 2. an impression of a quality or manner given by someone or something: "she answered with a faint air of boredom" Similar
verb
- 1. express (an opinion or grievance) publicly: "a meeting in which long-standing grievances were aired" Similar
- 2. expose (a room) to the open air in order to ventilate it: British "the window sashes were lifted regularly to air the room" Similar
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Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has mass and weight, because it is matter. The weight of air creates atmospheric pressure. There is no air in outer space .
AIR definition: 1. the mixture of gases that surrounds the earth and that we breathe: 2. the space above the…. Learn more.
The meaning of AIR is the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth; also : the equivalent mix of gases on another celestial object (such as a planet).
noun. us / er / uk / eə r/ air noun (GAS) Add to word list. A2 [ U ] the mixture of gases that surrounds the earth and that we breathe: fresh air I went outside to get some fresh air. You should put some air in your tires - they look flat to me. the air B2 [ S ] the space above the ground, especially high above the ground:
Air definition: a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.. See examples of AIR used in a sentence.
Air is the mixture of gases which forms the earth's atmosphere and which we breathe. He opened the window and leaned out into the cold air. American English : air / ˈɛər /
Define air. air synonyms, air pronunciation, air translation, English dictionary definition of air. the atmosphere: The air is fresher in the mountains.; expose: air grievances; a tune: She hummed an air.
noun. airs. A colorless, odorless, tasteless, gaseous mixture, mainly nitrogen (approximately 78 percent) and oxygen (approximately 21 percent) with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases. American Heritage.
noun. uk / eə r/ us. air noun (GAS) Add to word list Add to word list. A2. the mixture of gases around the Earth that we breathe: air pollution. He went outside to get some fresh air (= clean, cool air). Fewer examples. a gust of air. air pollution. Plants help to purify the air. The air quality in this area is terrible.
Definition of air noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
