Chapter Advocateship to Aërostation of A by Webster's Dictionary (1913 Edition)

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.

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

Æolipile
(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.

Æolotropic
(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.

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

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

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

Æonian
(Æ*o"ni*an) a. Eternal; everlasting. "Æonian hills." Tennyson.

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

Aërate
(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.

Aëration
(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.

2. (Physiol.) A change produced in the blood by exposure to the air in respiration; oxygenation of the blood in respiration; arterialization.

3. The act or preparation of charging with carbonic acid gas or with oxygen.

Aërator
(A"ër*a`tor) n. That which supplies with air; esp. an apparatus used for charging mineral waters with gas and in making soda water.

Aërial
(A*ë"ri*al) a. [L. aërius. See Air.]