Part 122

Æs"tu*a*ry (?; 135), n. & a. See Estuary.

Æs"tu*ous (&?;), a. [L. aestuosus, fr. aestus fire, glow.] Glowing; agitated, as with heat.

A*ë`the*og"a*mous (&?;), a. [Gr. &?; unusual ('a priv. + &?; custom) + &?; marriage.] (Bot.) Propagated in an unusual way; cryptogamous.

Æ"ther (&?;), n. See Ether.

Æ"thi*ops min"er*al (&?;). (Chem.) Same as Ethiops mineral. [Obs.]

Æth"o*gen (&?;), n. [Gr. &?; fire, light + -gen.] (Chem.) A compound of nitrogen and boro&?;, which, when heated before the blowpipe, gives a brilliant phosphorescent; boric nitride.

Æ"thri*o*scope (&?;), n. [Gr. &?; clear + &?; to observe.] An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded.

Æ`ti*o*log"ic*al (&?;), a. Pertaining to ætiology; assigning a cause. -- Æ`ti*o*log"ic*al*ly, adv.

Æ`ti*ol"o*gy (&?;), n. [L. aetologia, Gr. &?;; &?; cause + &?; description: cf. F. étiologie.] 1. The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.

2. The assignment of a cause.

||A`ë*ti"tes (&?;), n. [L., fr. Gr. &?; (sc. &?;) stone, fr. &?; eagle.] See Eaglestone.

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 saw him afar off.

The steep where Fame's proud temple shines afar. Beattie.

A*feard" (*frd"), p. a. [OE. afered, AS. fred, p. p. of fran to frighten; - (cf. Goth. us- , Ger. er-, orig. meaning out) + fran to frighten. See Fear.] Afraid. [Obs.]

Be not afeard; the isle is full of noises. Shak.

||A"fer (&?;), n. [L.] The southwest wind. Milton.

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; complaisant behavior.

Affability is of a wonderful efficacy or power in procuring love. Elyot

Af"fa*ble (&?;), a. [F. affable, L. affabilis, fr. affari to speak to; ad + fari to speak. See Fable.] 1. Easy to be spoken to or addressed; receiving others kindly and conversing with them in a free and friendly manner; courteous; sociable.

An affable and courteous gentleman. Shak.

His manners polite and affable. Macaulay.

2. Gracious; mild; benign.

A serene and affable countenance. Tatler.

Syn. -- Courteous; civil; complaisant; accessible; mild; benign; condescending.

Af"fa*ble*ness, n. Affability.

Af"fa*bly, adv. In an affable manner; courteously.

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Af"fa*brous (f*f"brs), a. [L. affaber workmanlike; ad + faber.] Executed in a workmanlike manner; ingeniously made. [R.] Bailey.