- The definition of air is the mixture of oxygen, nitrogen and other gasses that are consistently present around us.
A cool breeze is an example of air.
- the elastic, invisible mixture of gases (chiefly nitrogen and oxygen, as well as hydrogen, carbon dioxide, argon, neon, helium, etc.) that surrounds the earth; atmosphere
- space above the earth; sky
- a movement of air; breeze; wind
- cool, refreshing air; fresh air
- compressed air
- an outward appearance; general impression or feeling given by something: an air of luxury fills the room
- a pervading or surrounding influence or condition; general mood or social environment: controversy troubling the air at the convention; an apology designed to clear the air
- a person's bearing, manner, or appearance
- affected, superior manners and graces
- public expression or publicity: give air to your opinions
- transportation or travel by aircraft: to go by air
- the medium through which radio signals are transmitted
- air conditioning
- a song or tune
- the main melody in a harmonized composition, usually the soprano or treble part
Origin of airMiddle English ; from Old French ; from Classical Latin aer ; from Classical Greek aēr, air, mist
- to let air into or through; put where air can dry, cool, freshen, etc.
- to make known publicly; publicize
- to broadcast on radio or television
- to become aired, dried, cooled, etc.
- to be broadcast on radio or television
give (or get) the air☆
in the air
- current or prevalent
- not decided; not settled; still imaginary
on (or off) the air
take the air
up in the air
- not settled; not decided
- Informal angry; highly excited, agitated, etc.
walk on airor float on air
- a. 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.b. This mixture with varying amounts of moisture and particulate matter, enveloping the earth; the atmosphere.
- a. The sky; the firmament.b. A giant void; nothingness: The money vanished into thin air.
- An atmospheric movement; a breeze or wind.
- Sports A height achieved by a jump or as part of an airborne maneuver, as in skateboarding or snowboarding: getting big air off the halfpipe; had big airs on every run down the course.
- Aircraft: send troops to Europe by air.
- a. Public utterance; vent: gave air to their grievances.b. The medium of broadcast radio or television: “often ridiculed &ellipsis; extremist groups on air” (Christian Science Monitor).
- a. A manner of behaving that conveys an impression: a leader with an air of conviction.b. A distinctive quality or appearance; an aura: The messy room had an air of desperation to it.c. The general environment or condition, as in attitudes and ideas: growing impatience in the air.d. airs Affected behavior; affectation: put on airs. See Synonyms at affectation.
- Music a. A melody or tune, especially in the soprano or tenor range.b. A solo with or without accompaniment.
- Air conditioning.
- Archaic Breath.
verbaired, air·ing, airs
- To expose to the air in order to dry, cool, or freshen; ventilate.
- To make known to others; express publicly: aired my complaints. See Synonyms at voice.
- To broadcast on television or radio: “The ad was submitted to CBS &ellipsis; which accepted and aired it” (New York).
- Of or relating to the air or the movement of air: an air tube.
- Existing or living in the air; aerial.
- Powered by compressed air: an air horn.
- Containing or inflated by air.
- Of or relating to aircraft or aeronautics.
- Of or relating to the broadcast or transmission of radio or television signals.
- Imaginary or unreal: “The guy had just hit it big &ellipsis; after ten years of eating air sandwiches” (Jonathan Kellerman).
Origin of airPartly from Middle English air, gas, atmosphere (from Old French, from Latin āēr, from Greek; see wer-1 in Indo-European roots) and partly from French air, nature, quality, place of origin (from Latin ager, place, field; see agriculture, and Latin ārea, open space, threshing floor; see area). N., sense 8, from French air, tune, from Italian aria; see aria.
(countable and uncountable, plural airs)
- (uncountable, historical, astrology, alchemy, sciences) 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.
- (uncountable, physics, meteorology) That substance, now understood as the mixture of gases comprising the earth's atmosphere.
- The karate instructor said "air is the one thing you can't go five minutes without; when you spar, you have to remember to breathe."
- (usually with the) The apparently open space above the ground; the mass of this substance around the earth.
- The flock of birds took to the air.
- There was a tension in the air which made me suspect an approaching storm.
- A breeze; a gentle wind.
- A feeling or sense.
- to give it an air of artistry and sophistication
- A sense of poise, graciousness, or quality.
- (usually plural) Pretension; snobbishness; pretence that one is better than others.
- putting on airs
- (music) A song, especially a solo; an aria.
- (informal) Nothing; absence of anything.
- An air conditioner or the processed air it produces. Can be a mass noun or a count noun depending on context; similar to hair.
- Could you turn on the air?
- Hey, did you mean to leave the airs on all week while you were on vacation?
- (snowboarding, skateboarding, motor sports) A jump in which one becomes airborne.
(third-person singular simple present airs, present participle airing, simple past and past participle aired)
From Middle English air, eir (“gas, atmosphere”), from Anglo-Norman aeir, eyer, Old French aire, eir, from Latin āēr, from Ancient Greek ἀήρ (aér, “wind, atmosphere”). Displaced native Middle English luft, lift (“air”) (from Old English lyft (“air, atmosphere”)), Middle English loft (“air, upper region”) (from Old Norse lopt (“air, sky, loft”)). More at lift, loft.