A"ër*o-. [Gr. &?;, &?;, air.] The combining form of the Greek word meaning air.
A"ër*o*bies (&?;), n. pl. [Aëro- + Gr. &?; life.] (Biol.) Microörganisms which live in contact with the air and need oxygen for their growth; as the microbacteria which form on the surface of putrefactive fluids.
A`ër*o*bi*ot"ic (?; 101), a. (Biol.) Related to, or of the nature of, aërobies; as, aërobiotic plants, which live only when supplied with free oxygen.
A"ër*o*cyst (&?;), n. [Aëro- + cyst.] (Bot.) One of the air cells of algals.
A"ër*o*dy*nam"ic (&?;), a. Pertaining to the force of air in motion.
A`ër*o*dy*nam"ics (&?;), n. [Aëro- + dynamics: cf. F. aérodynamique.] The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects.
A`ër*og"no*sy (&?;), n. [Aëro- + Gr. &?; knowing, knowledge: cf. F. aérognosie.] The science which treats of the properties of the air, and of the part it plays in nature. Craig.
A`ër*og"ra*pher (&?;), n. One versed in aëography: an aërologist.
{ A`ër*o*graph"ic (&?;), A`ër*o*graph"ic*al (&?;), } a. Pertaining to aërography; aërological.
A`ër*og"ra*phy (&?;), n. [Aëro- + -graphy: cf. F. aérographie.] A description of the air or atmosphere; aërology.
A`ër*o*hy`dro*dy*nam"ic (&?;), a. [Aëro- + hydrodynamic.] Acting by the force of air and water; as, an aërohydrodynamic wheel.
A"ër*o*lite (&?;), n. [Aëro- + -lite: cf. F. aérolithe.] (Meteor.) A stone, or metallic mass, which has fallen to the earth from distant space; a meteorite; a meteoric stone.
Some writers limit the word to stony meteorites.
A"ër*o*lith (&?;), n. Same as A&?;rolite.
A`ër*o*li*thol"o*gy (&?;), n. [Aëro- + lithology.] The science of aërolites.
A`ër*o*lit"ic (&?;), a. Of or pertaining to aërolites; meteoric; as, aërolitic iron. Booth.
{ A`ër*o*log"ic (&?;), A`ër*o*log"ic*al (&?;), } a. Of or pertaining to aërology.
A`ër*ol"o*gist (&?;), n. One versed in aërology.
A`ër*ol"o*gy (&?;), n. [Aëro- + -logy: cf. F. aérologie.] That department of physics which treats of the atmosphere.
A"ër*o*man`cy (&?;), n. [Aëro- + -mancy: cf. F. aéromancie.] Divination from the state of the air or from atmospheric substances; also, forecasting changes in the weather.
A`ër*om"e*ter (&?;), n. [Aëro- + -meter: cf. F. éromètre.] An instrument for ascertaining the weight or density of air and gases.
A`ër*o*met"ric (&?;), a. Of or pertaining to aërometry; as, aërometric investigations.
A`ër*om"e*try (&?;), n. [Aëro- + -metry: cf. F. érométrie.] The science of measuring the air, including the doctrine of its pressure, elasticity, rarefaction, and condensation; pneumatics.
A"ër*o*naut (?; 277), n. [F. aéronaute, fr. Gr. &?; air + &?; sailor. See Nautical.] An aërial navigator; a balloonist.
{ A`ër*o*naut"ic (&?;), A`ër*o*naut"ic*al (&?;), } a. [Cf. F. aéronauitique.] Pertaining to aëronautics, or aërial sailing.
A`ër*o*naut"ics (&?;), n. The science or art of ascending and sailing in the air, as by means of a balloon; aërial navigation; ballooning.
{ ||A`ër*o*pho"bi*a (&?;), A`ër*oph"o*by (&?;), } n. [Aëro- + Gr. &?; fear: cf. F. aérophobie.] (Med.) Dread of a current of air.
A"ër*o*phyte (&?;), n. [Aëro- + Gr. &?; plant, &?; to grow: cf. F. aérophyte.] (Bot.) A plant growing entirely in the air, and receiving its nourishment from it; an air plant or epiphyte.
A"ër*o*plane` (&?;), n. [Aëro- + plane.] A flying machine, or a small plane for experiments on flying, which floats in the air only when propelled through it.
A"ër*o*scope (&?;), n. [Aëro- + Gr. &?; to look out.] (Biol.) An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air.
A`ër*os"co*py (&?;), n. [Aëro- + Gr. &?; a looking out; &?; to spy out.] The observation of the state and variations of the atmosphere.
Æ*rose" (&?;), a. [L. aerosus, fr. aes, aeris, brass, copper.] Of the nature of, or like, copper; brassy. [R.]
A`ër*o*sid"er*ite (&?;), n. [Aëro- + siderite.] (Meteor.) A mass of meteoric iron.
A"ër*o*sphere (&?;), n. [Aëro- + sphere: cf. F. aérosphère.] The atmosphere. [R.]
A"ër*o*stat (&?;), n. [F. aérostat, fr. Gr. &?; air + &?; placed. See Statics.] 1. A balloon.