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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. The region above the ground
   "her hand stopped in mid air"; "he threw the ball into the air"
    
3. A distinctive but intangible quality surrounding a person or thing
   "an air of mystery"; "the house had a neglected air";
   - aura, atmosphere
    
4. A slight wind (usually refreshing)
   "as he waited he could feel the air on his neck";
   - breeze, zephyr, gentle wind
    
5. The mass of air surrounding the Earth
   "it was exposed to the air";
   - atmosphere
    
6. A succession of notes forming a distinctive sequence
   "she was humming an air from Beethoven";
   - tune, melody, strain, melodic line, line, melodic phrase
    
7. Medium for radio and television broadcasting
   "the program was on the air from 9 til midnight";
   - airwave
    
8. Travel via aircraft
   "air travel involves too much waiting in airports"; "if you've time to spare go by air";
   - air travel, aviation
    
9. [archaic] Once thought to be one of four elements composing the universe (Empedocles), associated with the humour blood

1. Expose to fresh air
   "air your old sneakers";
   - air out, aerate
    
2. (broadcast medium) be broadcast
   "This show will air Saturdays at 2 P.M."
    
3. (broadcast medium) broadcast over the airwaves, as in radio or television
   "We cannot air this X-rated song";
   - send, broadcast, beam, transmit
    
4. Make public
   "She aired her opinions on welfare";
   - publicize, publicise [Brit], bare
    
5. Expose to warm or heated air, so as to dry
   "Air linen"
    
6. Let in fresh air to replace the current air
   "air the old winter clothes"; "air out the smoke-filled rooms";
   - vent, ventilate, air out

Sounds like: ere, e'er, heir, Ayr

Derived forms: aired, airs, airing

Type of: air current, current of air, dry, dry out, element, expose, freshen, gas, medium, music, part, quality, refresh, region, tell, travel, traveling [US], travelling [Brit, Cdn], wind

Part of: air current, current of air, Earth, globe, wind, world

Encyclopedia: Air, Andrea