Webster's Dictionary 1913

1810

Aërophobia

{ ‖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.

1811

Aërophone

A″ër‐o‐phone′ (?), n. [Aëro- + Gr. � voice.] (a) A form of combined speaking and ear trumpet. (b) An instrument, proposed by Edison, for greatly intensifying speech. It consists...

1812

Aërophyte

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 epiph...

1813

Aëroplane

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.

1814

Aëroplane (2)

A″ër‐o‐plane′ (?), n. [Aëro- + plane.] (Aëronautics) A light rigid plane used in aërial navigation to oppose sudden upward or downward movement in the air, as in gliding machine...

1815

Aëroplanist

A″ër‐o‐plan′ist (?), n. One who flies in an aëroplane.

1816

Aëroscope

A″ër‐o‐scope (�), n. [Aëro- + Gr. � to look out.] (Biol.) An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air.

1817

Aëroscopy

A′ër‐os″co‐py (�), n. [Aëro- + Gr. � a looking out; � to spy out.] The observation of the state and variations of the atmosphere.

1818

Aërosiderite

A′ër‐o‐sid″er‐ite (�), n. [Aëro- + siderite.] (Meteor.) A mass of meteoric iron.

1819

Aërosphere

A″ër‐o‐sphere (�), n. [Aëro- + sphere: cf. F. aérosphère.] The atmosphere.

1820

Aërostat

A″ër‐o‐stat (�), n. [F. aérostat, fr. Gr. � air + � placed. See Statics.] 1. A balloon.2. A balloonist; an aëronaut.

1821

Aërostat (2)

A″ër‐o‐stat (?), n.(Aëronautics) A passive balloon; a balloon without motive power.

1822

Aërostatic

{A′ër‐o‐stat″ic (�), A′ër‐o‐stat″ic‐al (�),} a. [Aëro- + Gr. �: cf. F. aérostatique. See Statical, Statics.] 1. Of or pertaining to aërostatics; pneumatic.2. Aëronautic; as, an ...

1823

Aërostatics

A′ër‐o‐stat″ics (�), n. The science that treats of the equilibrium of elastic fluids, or that of bodies sustained in them. Hence it includes aëronautics.

1824

Aërostation

A′ër‐os‐ta″tion (�), n. [Cf. F. aérostation the art of using aërostats.] 1. Aërial navigation; the art of raising and guiding balloons in the air.2. The science of weighing air;...

1825

Aërostation (2)

A′ër‐o‐sta″tion (?), n. That part of aëronautics that deals with passive balloons.

1826

Aërotaxis

‖A″ër‐o‐tax′is (?), n. [NL. See Aëro-; Taxis.] (Bacteriology) The positive or negative stimulus exerted by oxygen on aërobic and anaërobic bacteria. — A′ër‐o‐tac″tic (#), a.

1827

Aërotherapentics

A′ër‐o‐ther′a‐pen″tics (?), n. [Aëro- + therapeutics.] (Med.) Treatment of disease by the use of air or other gases.

1828

Aëroyacht

A″ër‐o‐yacht′ (?), n. [Aëro- + yacht.] A form of hydro-aëroplane; a flying boat.

1829

Aery

Ae″ry (�), n. An aerie.

1830

Aëry

A″ër‐y (�), a. [See Air.] Aërial; ethereal; incorporeal; visionary. M. Arnold.

1831

Aëtheogamous

A‐ë′the‐og″a‐mous (�), a. [Gr. � unusual (ἀ priv. + � custom) + � marriage.] (Bot.) Propagated in an unusual way; cryptogamous.

1832

Aëtites

‖A′ë‐ti″tes (�), n. See Eaglestone.

1833

Afar

A‐far″ (�), adv. [Pref. a- (for on or of) + far.] At, to, or from a great distance; far away; — often used with from preceding, or off following; as, he was seen from afar; I sa...

1834

Afeard

A‐feard″ (ȧ‐fērd″), p. a. [OE. afered, AS. āfǣred, p. p. of āfǣran to frighten; ā- (cf. Goth. us-, Ger. er-, orig. meaning out) + fǣran to frighten. See Fear.] Afraid.Be not afe...

1835

Afer

‖A″fer (�), n. The southwest wind. Milton.

1836

Affability

Af′fa‐bil″i‐ty (�), n. [L. affabilitas: cf. F. affabilité.] The quality of being affable; readiness to converse; courteousness in receiving others and in conversation; complaisa...