12 DICTIONARY OF AVIATION
2. the art or practis of using or managing aerostats; aerial navigation; ballooning.
aero-surface 'ee-9Z3,sBfis n. a material surface, as in a kite, used for aerial sustention or the like; an aerofeil.
aerotherapeuties ,ee-9Z9-6ee:9'pc,uu-tiks n. [also spelt aero- therapeutics'} the treatment of disease by varying the pres- sure and modifying the composition of the air surrounding the patient.
aerotube 'ee-9Z3,tc,uub n. [also spelt aerotube] a proposed flying^machine of the aeroplane type with tubular sustain- ing^surfaces designed by W. Pars of Seattle, Washington.
aeroyacht 'ee-3Z3,jet n. [also spelt aeroyacht] an aerial yacht; a fancied airship of the racing or cruising type; a plesure^ship of the air.
aery 'ee-3-zi adj. [also spelt aerie] airy, aerial; ethereal.
aery 'e:-zi, 'i:-zi n. [also spelt aerie; synonymous cognates airy, eyry, eyrie', ploral aeries]
1. the nest of a bird of prey, as an eagle or a hawk; a lefty nest of any large bird.
2. the brood in the nest; the young of a bird of prey.
3. an elevated habitation of situation. aery 'e:-zi intr. bild or have an aery.
afflux 'se,ftAks n. a flowing to or toward, as of air; af- fluxion ; inflow : the epposit of efflux.
afloat a'ftoot adv. in a floating or suspended condition ; budyd up or sustaind in or en a fluid; in stable or moving equilibrium in the air.
aft a: ft adv. in or near the hinder part or stern of an air- ship; toward the stern.
fore and aft, from the fore toward the after part or vice versa; lengthwise; longitudinally. ^
after 'a:f-t9z adj. located in the rear; as, the *after side of a bird's f ether; also, situated nearer the stern or hinder por- tion of an airship; belonging to the sternward part.
after-car 'a:f-t9z,ka:z n. the car situated toward the stern; the hindermost car in an airship having two cars.
after-cell 'a:f-t9z,sel n. the rear or hinder cell of a cellu- lar kite.
afterglow 'a:f-t9z,gloo n. the glow often seen in the western sky after sunset.
afterpart 'a:f-t9?,pa:zt n. the after or hinder part, as of an airship; the rear portion; the stern.
aftershaft 'a:f-t9z,$a:ft n. a supplementary shaft or fether growing out of the stem of a bird's fether; a hyporachis; a hypoptilum. compare foreglow.
aileron 'ee-h,zen n. a little wing or wing^like part; a
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