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A sickness felt by aëronauts due to high speed of flights and rapidity in changing altitudes, combining some symptoms of mountain sickness and some of seasickness.

Growing or thriving only in the presence of oxygen; also, pertaining to, or induced by, aërobies; as, aërobic fermentation. -- A`ër*o"bic*al*ly (#), adv.

of the aëroplane, having curved surfaces, the advantages of which were first demonstrated by Lilienthal.

A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird.

Acting by the force of air and water; as, an aërohydrodynamic wheel.

The science or art of ascending and sailing in the air, as by means of a balloon; aërial navigation; ballooning.

An instrument, proposed by Edison, for greatly intensifying speech. It consists of a phonograph diaphragm so arranged that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.

The positive or negative stimulus exerted by oxygen on aërobic and anaërobic bacteria. -- A`ër*o*tac"tic (#), a.

Treatment of disease by the use of air or other gases.

Perception by the senses; feeling; -- the opposite of anæsthesia.

An instrument to measure the degree of sensation, by determining at how short a distance two impressions upon the skin can be distinguished, and thus to determine whether the condition of tactile sensibility is normal or altered.

iful in nature and art; esp. that which treats of the expression and embodiment of beauty by art.

The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.

t of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded.

To tend to by affinity or disposition. The drops of every fluid affect a round figure. Newton.

That may be affected. [R.] Lay aside the absolute, and, by union with the creaturely, become affectible. Coleridge.

on is applicable to an unpleasant as well as a pleasant state of the mind, when impressed by any object or quality. Cogan.

Full of passion or emotion; earnest. [Obs.] -- Af*fec"tu*ous*ly, adv. [Obs.] Fabyan.

y penalty or amercement, to a certain and reasonable sum. Amercements . . . were affeered by the judges. Blackstone.

To assure by promise. [Obs.] Pope.