1. Noun.  (uncountable, historical) 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.
  2. Noun.  (uncountable, physics) Now understood as the mixture of gases comprising the earth's atmosphere.
  3. Noun.  (usually, with the) The apparently open space above the ground; the mass of this substance around the earth.
  4. Noun.  A feeling or sense.
  5. Noun.  (obsolete) A sense of poise, graciousness, or quality.
  6. Noun.  (context, usually plural) Pretension; snobbishness; pretence that one is better than others.
  7. Noun.  (music) A song, especially a solo; an aria.
  8. Noun.  (informal) Nothing; absence of anything.
  9. Noun.  (uncountable) An air conditioner or the processed air it produces.
  10. Noun.  (obsolete, chemistry) Any specific gas.
  11. Noun.  (snowboarding, skateboarding) A jump in which one becomes airborne.
  12. Verb.  To bring (something) into contact with the air, so as to freshen or dry it.
  13. Verb.  To let fresh air into a room or a building, to ventilate.
  14. Verb.  To discuss varying viewpoints on a given topic.
  15. Verb.  To broadcast, as with a television show.

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This entry was last updated on RefTopia from its source on 3/20/2012.