Consisting of air. / Relating or belonging to air; high in air; aerial. / Open to a free current of air; exposed to the air; breezy. / Resembling air; thin; unsubstantial; not material; airlike.

A surname.

A Japanese female given name from Japanese

The quality of being airy. / The quality of being light in quality or manner. / insubstantiality

plural of airiness

(physics) A non-diffracting waveform that gives the appearance of curving as it travels.

(mathematics) (d²ʸ)/(dx²)-xy=0,,!, the simplest second-order linear differential equation with a turning point (a point where the character of the solutions changes from oscillatory to exponential).

plural of Airy beam

(physics) A function, denoted by Ai(x), that is a solution to the Airy equation.

insubstantial / impractical