[noun] 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"
[noun] travel via aircraft; "air travel involves too much waiting in airports"; "if you've time to spare go by air" Synonyms:travel, aviation
[noun] the region above the ground; "her hand stopped in mid air"; "he threw the ball into the air"
[noun] 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" Synonyms:wave
[noun] a slight wind (usually refreshing); "the breeze was cooled by the lake"; "as he waited he could feel the air on his neck" Synonyms:breeze, zephyr, gentle wind
[noun] 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" Synonyms:aura, atmosphere
[noun] the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"; "it was exposed to the air" Synonyms:atmosphere