present participle of aid

The act of one who aids or assists.

(advertising) In advertising research, recognition of a specific brand or product from a list of possible names offered as a prompt.

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.

The middle of the air, as while in flight.

To assuage a hostile situation.

Alternative spelling of airbag.

The cost or expense of an airplane ticket or trip.

(idiomatic) Something relieving, refreshing, or new.

The contamination of the atmosphere by noxious gases and particulates.