Pronunciation: (âr"u-stat'iks), [key]
—n. (used with a sing. v.)
1. the branch of statics that deals with gases in equilibrium and with gases and bodies in the gases in equilibrium with one another. Cf. aerodynamics.
2. the science of lighter-than-air aircraft.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.