(aviation, of an act or action) With the participants being two or more aircraft in flight. / (aviation, military, of a missile) Fired from an aircraft in flight at another one.

(historical, philosophy, alchemy) understood as one of the four elements of the ancient Greeks and Romans.

To bring (something) into contact with the air, so as to freshen or dry it. / To let fresh air into a room or a building, to ventilate. / To discuss varying viewpoints on a given topic.

Pronunciation spelling of are.

present participle of air

(countable) An exposure to warm or fresh air. / (countable) The broadcast of a television or radio show. / (countable) A public expression of an opinion or discussion of a subject.

Alternative spelling of on the air, especially when used attributively.

Broadcasting or transmitting through the medium of radio or television. / Being, or so as to be, broadcast or transmitted by radio or television. / Smoothly; gracefully. / Happily.

(broadcasting) Synonym of on air.

plural of aire