(Britain) A toy aeroplane made by folding up a sheet of paper.

Britain standard form of airfoil.

(Australia, New Zealand, Britain) Alternative spelling of eon / (Gnosticism, preferred spelling, with æon) A spirit being emanating from the Godhead.

Spectacular stunts, performed in an airplane or glider. Examples include various types of rolls and loops.

The design, construction, mathematics and mechanics of aircraft and other flying objects / The theory and practice of aircraft navigation

Living or occurring only in the presence of oxygen e.g. aerobic bacteria. / Of exercise, performed while maintaining a sufficient supply of oxygen to meet bodily energy needs.

The science of the dynamics of bodies moving relative to gases, especially the interaction of moving objects with the atmosphere / The aerodynamic properties of a particular object (typically a car)

(law, Australia, Canada, term of art) Any area of land or water used for aircraft operation, regardless of facilities.

A mixture of fine solid particles or liquid droplets suspended in a gaseous medium. / An aerosol can. / The payload (e.g. insecticide, paint, oil, cosmetics) and propellant contained by an aerosol can.

(transitive) To spray with an aerosol.