air adj : relating to or characteristic of or occurring in the air; "air war"; "air safety"; "air travel" [syn: air(a)] [ant: land(a), sea(a)] (noun)
1: a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"
2: travel via aircraft; "air travel involves too much waiting in airports"; "if you've time to spare go by air" [syn: [[air travel]], aviation]
3: the region above the ground; "her hand stopped in mid air"; "he threw the ball into the air"
4: medium for radio and television broadcasting; "the program was on the air from 9 til midnight"; "the president used the airwaves to take his message to the people" [syn: airwave]
5: a slight wind (usually refreshing); "the breeze was cooled by the lake"; "as he waited he could feel the air on his neck" [syn: breeze, zephyr, gentle wind]
6: a distinctive but intangible quality surrounding a person or thing; "an air of mystery"; "the house had a neglected air"; "an atmosphere of defeat pervaded the candidate's headquarters"; "the place had an aura of romance" [syn: aura, atmosphere]
7: the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"; "it was exposed to the air" [syn: atmosphere]
8: a succession of notes forming a distinctive sequence; "she was humming an air from Beethoven" [syn: tune, melody, strain, melodic line, line, melodic phrase]
9: once thought to be one of four elements composing the universe (Empedocles)
air
(verb)
1: expose to fresh air; "aerate your old sneakers" [syn: [[air out]], aerate]
2: be broadcast; "This show will air Saturdays at 2 P.M."
3: broadcast over the airwaves, as in radio or television; "We cannot air this X-rated song" [syn: send, broadcast, beam, transmit]
4: make public; "She aired her opinions on welfare" [syn: publicize, publicise, bare]
5: expose to warm or heated air, so as to dry; "Air linen"
6: expose to cool or cold air so as to cool or freshen; "air the old winter clothes"; "air out the smoke-filled rooms" [syn: vent, ventilate, air out]