AERODYNAMICS
A`ër*o*dy*nam"ics, n. Etym: [Aëro- + dynamics: cf. F. aérodynamique.]

Defn: The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects.

AEROFOIL
A"ër*o*foil`, n. [Aëro- + foil.]

Defn: A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird.

AEROGNOSY
A`ër*og"no*sy, n. Etym: [Aëro- + Gr. aérognosie.]

Defn: The science which treats of the properties of the air, and of the part it plays in nature. Craig.

AEROGRAPHER
A`ër*og"ra*pher, n.

Defn: One versed in aëography: an aërologist.

AEROGRAPHIC; AEROGRAPHICAL
A`ër*o*graph"ic, A`ër*o*graph"ic*al, a.

Defn: Pertaining to aërography; aërological.