CHAPTER XXVIII. GLOSSARY OF AERONAUTICAL TERMS.
Aerodrome.—Literally a machine that runs in the air. Aerofoil.—The advancing transverse section of an aeroplane.
Aeroplane.—A flying machine of the glider pattern, used in contra-distinction to a dirigible balloon.
Aeronaut.—A person who travels in the air.
Aerostat.—A machine sustaining weight in the air. A balloon is an aerostat.
Aerostatic.—Pertaining to suspension in the air; the art of aerial navigation.
Ailerons.—Small stabilizing planes attached to the main planes to assist in preserving equilibrium.
Angle of Incidence.—Angle formed by making comparison with a perpendicular line or body.
Angle of Inclination.—Angle at which a flying machine rises. This angle, like that of incidence, is obtained by comparison with an upright, or perpendicular line.