Definition of Air

1. Noun. A mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of. "I need some fresh air"

2. Verb. Expose to fresh air. "Aerate your old sneakers"
Exact synonyms: Aerate, Air Out
Generic synonyms: Expose
Derivative terms: Aeration

3. Noun. The region above the ground. "He threw the ball into the air"
Generic synonyms: Part, Region
Derivative terms: Aerial

4. Verb. Be broadcast. "This show will air Saturdays at 2 P.M."
Category relationships: Broadcast Medium, Broadcasting
Specialized synonyms: Be On, Get On

5. Noun. A distinctive but intangible quality surrounding a person or thing. "The place had an aura of romance"
Exact synonyms: Atmosphere, Aura
Generic synonyms: Quality
Specialized synonyms: Mystique, Note, Vibe, Vibration

6. Verb. Broadcast over the airwaves, as in radio or television. "We cannot air this X-rated song"
Exact synonyms: Beam, Broadcast, Send, Transmit
Category relationships: Broadcast Medium, Broadcasting
Generic synonyms: Bare, Publicise, Publicize
Specialized synonyms: Satellite, Sportscast, Telecast, Televise, Interrogate, Rebroadcast, Rerun
Derivative terms: Beam, Broadcast, Broadcast, Broadcaster, Sender, Transmission, Transmitter

7. Noun. A slight wind (usually refreshing). "As he waited he could feel the air on his neck"

8. Verb. Make public. "She aired her opinions on welfare"

9. Noun. The mass of air surrounding the Earth. "It was exposed to the air"
Exact synonyms: Atmosphere
Specialized synonyms: Airspace
Terms within: Air Space, Airspace, Ionosphere
Generic synonyms: Part, Region
Group relationships: Earth, Globe, World
Derivative terms: Atmospheric, Atmospherical

10. Verb. Expose to warm or heated air, so as to dry. "Air linen"
Generic synonyms: Dry, Dry Out

11. Noun. Once thought to be one of four elements composing the universe (Empedocles).
Language type: Archaicism, Archaism
Generic synonyms: Element

12. Verb. Expose to cool or cold air so as to cool or freshen. "Air out the smoke-filled rooms"
Exact synonyms: Air Out, Vent, Ventilate
Generic synonyms: Freshen, Refresh
Derivative terms: Venting, Vent, Ventilator

13. Noun. A succession of notes forming a distinctive sequence. "She was humming an air from Beethoven"

14. Noun. Medium for radio and television broadcasting. "The president used the airwaves to take his message to the people"
Exact synonyms: Airwave
Generic synonyms: Medium

15. Noun. Travel via aircraft. "If you've time to spare go by air"

Definition of Air

1. n. The fluid which we breathe, and which surrounds the earth; the atmosphere. It is invisible, inodorous, insipid, transparent, compressible, elastic, and ponderable.

2. v. t. To expose to the air for the purpose of cooling, refreshing, or purifying; to ventilate; as, to air a room.

Definition of Air

1. Noun. (uncountable historical astrology alchemy science) The atmospheric substance above the surface of the earth which animals breathe, formerly considered to be a single substance, one of the four basic elements of ancient philosophy and one of the five basic elements of Eastern traditions. ¹

2. Noun. (uncountable physics meteorology) Now understood as the mixture of gases comprising the earth's atmosphere. ¹

3. Noun. (usually with the) The apparently open space above the ground; the mass of this substance around the earth. ¹

4. Noun. A feeling or sense. ¹

5. Noun. A sense of poise, graciousness, or quality. ¹

6. Noun. (context: usually plural) Pretension; snobbishness; pretence that one is better than others. ¹

7. Noun. (music) A song, especially a solo; an aria. ¹

8. Noun. (informal) Nothing; absence of anything. ¹

9. Noun. An air conditioner or the processed air it produces. ¹

10. Noun. (obsolete chemistry) Any specific gas. ¹

11. Noun. (snowboarding skateboarding) A jump in which one becomes airborne. ¹

12. Verb. To bring (something) into contact with the air, so as to freshen or dry it. ¹

13. Verb. To let fresh air into a room or a building, to ventilate. ¹

14. Verb. To discuss varying viewpoints on a given topic. ¹

15. Verb. To broadcast, as with a television show. ¹

¹ Source:

Definition of Air

1. early [adv AIRER, AIREST] / to expose to the air (the mixture of gases that surrounds the earth) [v -ED, -ING, -S] - See also: early

Medical Definition of Air

1. 1. The fluid which we breathe, and which surrounds the earth; the atmosphere. It is invisible, inodourous, insipid, transparent, compressible, elastic, and ponderable. By the ancient philosophers, air was regarded as an element; but modern science has shown that it is essentially a mixture of oxygen and nitrogen, with a small amount of carbon dioxide, the average proportions being, by volume: oxygen.96 per cent.; nitrogen.00 per cent.; carbon dioxide.04 per cent. These proportions are subject to a very slight variability. Air also always contains some vapor of water. 2. Symbolically: Something unsubstantial, light, or volatile. "Charm ache with air." "He was still all air and fire. (Macaulay). [Air and fire being the finer and quicker elements as opposed to earth and water]" 3. A particular state of the atmosphere, as respects heat, cold, moisture, etc, or as affecting the sensations; as, a smoky air, a damp air, the morning air, etc. 4. Any aeriform body; a gas; as, oxygen was formerly called vital air. 5. Air in motion; a light breeze; a gentle wind. "Let vernal airs through trembling osiers play." (Pope) 6. Odouriferous or contaminated air. 7. That which surrounds and influences. "The keen, the wholesome air of poverty." (Wordsworth) 8. Utterance abroad; publicity; vent. "You gave it air before me." (Dryden) 9. Intelligence; information. 10. A musical idea, or motive, rhythmically developed in consecutive single tones, so as to form a symmetrical and balanced whole, which may be sung by a single voice to the stanzas of a hymn or song, or even to plain prose, or played upon an instrument; a melody; a tune; an aria. In harmonised chorals, psalmody, part songs, etc, the part which bears the tune or melody in modern harmony usually the upper part is sometimes called the air. 11. The peculiar look, appearance, and bearing of a person; mien; demeanor; as, the air of a youth; a heavy air; a lofty air. "His very air." 12. Peculiar appearance; apparent character; semblance; manner; style. "It was communicated with the air of a secret." (Pope) 12. An artificial or affected manner; show of pride or vanity; haughtiness; as, it is said of a person, he puts on airs. 14. The representation or reproduction of the effect of the atmospheric medium through which every object in nature is viewed. Carriage; attitude; action; movement; as, the head of that portrait has a good air. 15. The artificial motion or carriage of a horse. 16. To expose to the air for the purpose of cooling, refreshing, or purifying; to ventilate; as, to air a room. "It were good wisdom . . . That the jail were aired." (Bacon) "Were you but riding forth to air yourself." (Shak) 17. To expose for the sake of public notice; to display ostentatiously; as, to air one's opinion. "Airing a snowy hand and signet gem." (Tennyson) 18. To expose to heat, for the purpose of expelling dampness, or of warming; as, to air linen; to air liquors. Air is much used adjectively or as the first part of a compound term. In most cases it might be written indifferently, as a separate limiting word, or as the first element of the compound term, with or without the hyphen; as, air bladder, air-bladder, or airbladder; air cell, air-cell, or aircell; air-pump, or airpump. Air balloon. See Balloon. Air bath. An apparatus for the application of air to the body. An arrangement for drying substances in air of any desired temperature. Air castle. See Castle in the air, under Castle. Air compressor, a machine for compressing air to be used as a motive power. Air crossing, a passage for air in a mine. Air cushion, an air-tight cushion which can be inflated; also, a device for arresting motion without shock by confined air. Air fountain, a contrivance for producing a jet of water by the force of compressed air. Air furnace, a furnace which depends on a natural draft and not on blast. Air line, a straight line; a bee line. Hence Air-line,; as, air-line road. Air lock Unsupported and liable to be turned or taken in flank; as, the army had its wing in the air. To take air, to be divulged; to be made public. To take the air, to go abroad; to walk or ride out. Origin: OE. Air, eir, F. Air, L. Aer, fr. Gr, air, mist, for, fr. Root to blow, breathe, probably akin to E. Wind. In sense 10 the French has taking a meaning fr. It. Aria atmosphere, air, fr. The same Latin word; and in senses 11, 12, 13 the French meaning is either fr. L. Aria, or due to confusion with F. Aire, in an older sense of origin, descent. Cf. Ary, Debonair, Malaria, Wind. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Air

aioli sauce
air (current term)
air-blown asphalt
air-bone gap
air-conditioner lung

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