1. A mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
   "open a window and let in some air"; "I need some fresh air"; "air pollution"; "a smell of chemicals in the 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. The mass of air surrounding the Earth
   "it was exposed to the air";
   - atmosphere
    
5. A slight wind (usually refreshing)
   "as he waited he could feel the air on his neck";
   - breeze, zephyr, gentle wind
    
6. Medium for radio and television broadcasting
   "the program was on the air from 9 til midnight";
   - airwave
    
7. Travel via aircraft
   "air travel involves too much waiting in airports"; "if you've time to spare, go by air";
   - air travel, aviation
    
8. A succession of notes forming a distinctive sequence
   "she was humming an air from Beethoven";
   - tune, melody, strain, melodic line, line, melodic phrase
    
9. [archaic] Once thought to be one of four elements composing the universe (Empedocles), associated with the humour blood
   "Ancient philosophers believed air was one of the fundamental elements"

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

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

Derived forms: airing, aired, airs

Type of: air current, appear, come out, 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, Trees, Water, Animals