Part 118

||Æ`gi*cra"ni*a (&?;), n. pl. [NL., fr. Gr. &?;, &?;, goat + &?;, n. pl., heads.] (Arch.) Sculptured ornaments, used in classical architecture, representing rams' heads or skulls.

Æg"i*lops (&?;), n. [L. aegilopis, Gr. &?;, fr. &?;, gen. &?;, goat + &?; eye.] 1. (Med.) An ulcer or fistula in the inner corner of the eye.

2. (Bot.) (a) The great wild-oat grass or other cornfield weed. Crabb. (b) A genus of plants, called also hardgrass.

||Æ"gis (&?;), n. [L. aegis, fr. Gr. &?; a goat skin, a shield, &?; goat, or fr. &?; to rush.] A shield or protective armor; -- applied in mythology to the shield of Jupiter which he gave to Minerva. Also fig.: A shield; a protection.

Æ*goph"o*ny (&?;), n. Same as Egophony.

||Æ*gro"tat (&?;), n. [L., he is sick.] (Camb. Univ.) A medical certificate that a student is ill.

Æ*ne"id (&?;), n. [L. Aeneis, Aeneidis, or -dos: cf. F. Énéde.] The great epic poem of Virgil, of which the hero is Æneas.

A*ë"ne*ous (&?;), a. [L. aëneus.] (Zoöl.) Colored like bronze.

Æ*o"li*an (&?;), a. [L. Aeolius, Gr. &?;.] 1. Of or pertaining to Æolia or Æolis, in Asia Minor, colonized by the Greeks, or to its inhabitants; æolic; as, the Æolian dialect.

2. Pertaining to Æolus, the mythic god of the winds; pertaining to, or produced by, the wind; aërial.

Viewless forms the æolian organ play. Campbell.

Æolian attachment, a contrivance often attached to a pianoforte, which prolongs the vibrations, increases the volume of sound, etc., by forcing a stream of air upon the strings. Moore. -- Æolian harp, Æolian lyre, a musical instrument consisting of a box, on or in which are stretched strings, on which the wind acts to produce the notes; - - usually placed at an open window. Moore. -- Æolian mode (Mus.), one of the ancient Greek and early ecclesiastical modes.

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Æ*ol"ic (*l"k), a. [L. Aeolicus; Gr. A'ioliko`s.] Æolian, 1; as, the Æolic dialect; the Æolic mode.

{ Æ*ol"i*pile, Æ*ol"i*pyle } (&?;), n. [L. aeolipilae; Aeolus god of the winds + pila a ball, or Gr. &?; gate (i. e., doorway of Æolus); cf. F. éolipyle.] An apparatus consisting chiefly of a closed vessel (as a globe or cylinder) with one or more projecting bent tubes, through which steam is made to pass from the vessel, causing it to revolve. [Written also eolipile.]

Such an apparatus was first described by Hero of Alexandria about 200 years b. c. It has often been called the first steam engine.

Æ`o*lo*trop"ic (&?;), a. [Gr. &?; changeful + &?; a turning, &?; to turn.] (Physics) Exhibiting differences of quality or property in different directions; not isotropic. Sir W. Thomson.

Æ`o*lot"ro*py (&?;), n. (Physics) Difference of quality or property in different directions.

||Æ"o*lus (&?;), n. [L., fr. Gr. &?;.] (Gr. & Rom. Myth.) The god of the winds.

Æ"on (&?;), n. A period of immeasurable duration; also, an emanation of the Deity. See Eon.

Æ*o"ni*an (&?;), a. [Gr. &?;.] Eternal; everlasting. "Æonian hills." Tennyson.

||Æ`py*or"nis (&?;), n. [Gr. &?; high + &?; bird.] A gigantic bird found fossil in Madagascar.

A"ër*ate (&?;), v. t. [imp. & p. p. Aërated (&?;); p. pr. & vb. n. Aërating (&?;).] [Cf. F. aérer. See Air, v. t.] 1. To combine or charge with gas; usually with carbonic acid gas, formerly called fixed air.

His sparkling sallies bubbled up as from aërated natural fountains. Carlyle.

2. To supply or impregnate with common air; as, to aërate soil; to aërate water.

3. (Physiol.) To expose to the chemical action of air; to oxygenate (the blood) by respiration; to arterialize.

Aërated bread, bread raised by charging dough with carbonic acid gas, instead of generating the gas in the dough by fermentation.

A`ër*a"tion (&?;), n. [Cf. F. aération.] 1. Exposure to the free action of the air; airing; as, aëration of soil, of spawn, etc.