Page:Dictionary of aviation.djvu/33

 DICTIONARY OF AVIATION

��to the fysical features, conditions or properties of the air or atmosfere, as heat, cold, dryness, humidity.

aerophysicist ,ee-9Z9'fizi-sist n. [also spelt aerophysicist, aerofysicisf\ one skild in aerofysics; a meteorologist.

aerophysics ,ee-3za'fiziks w. [also spelt aerophysics, aero- fysics] the fysics of the atmosfere.

aerophyte 'ee-9Z3,fait n. [also spelt aerophyte, aerofyte] an air*plant.

aeropirate 'ee-az3,pai-z3t n. [also spelt aeropirate] a pirate of the air; a piratical airship.

aeroplane 'ee-3Z9,pz,een, (improperly') 'e:-z9,pi,een, 'e:-zi-a- ,pz,een n. [also spelt aeroplane, aerotplane]

1. a thin plane, natural or artificial, adapted to motion and sustentation in the air; a plane or curvd aerofoil; an airplane; a wmd*plane; a sustaining*, supporting*, or glid- mg*plane, or wing, in a flyer.

ballasted aeroplane, an aeroplane equilibrated by means of ballast, for experimental purposes.

inclined aeroplane, an aeroplane or plane aerofoil which is in an inclined position in the air or other fluid, as in aerodynamic experimentation : distinguisht from hori- zontal plane.

simple aeroplane, an aeroplane having simple curvature; a plane aerofoil.

wavetaction aeroplane, a flexible aeroplane or aerofoil de- signed to afford sustention or propulsion to a flying*ma- chine by being rapidly undulated; a wave*surface.

2. any flying*machine supported or sustaind in the air by one or more aeroplanes or aerocurvs; a flyer whose sup- porting#surfaces are fixt structures having plane or ap- proximately plane glidmg*surf aces ; a hevier*than*air air- ship upheld or sustaind primarily by the pressure or reac- tion of the atmosfere upon plane or curvd surfaces moving at an angle with the axis of flight or with the line of di- rection of the pressure of the air; a motor*driven gliding* or soanng*machine ; a glider : distinguisht from helicopter and ornithopter.

helicopter aeroplane, an aeroplane flying*machine com- bined with a helicopter; a combination of a helicopter with an aeroplane, as that designed by Bertin. aeroplane 'ee-3Z3,pteen adj. [also spelt aeroplane"}

1. consisting of, or having the form of an aeroplane or aeroplanes: as, *aeroplane rudders.

2. having the characteristics of, or related to, airships of the type known as the aeroplane : as, an *aeroplane flyinjg* machine, the *aeroplane type of flyer, ^aeroplane flight.

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