2. (Zoöl.) To pass the summer in a state of torpor.
[Spelt also estivate.]
1. (Zoöl.) The state of torpidity induced by the heat and dryness of summer, as in certain snails; opposed
2. (Bot.) The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration.
[Spelt also estivation.]
n. & a. See Estuary.
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.
n. See Ether.
(Æ"thi*ops min"er*al) (Chem.) Same as Ethiops mineral. [Obs.]
n. [Gr. fire, light + -gen.] (Chem.) A compound of nitrogen and boro which, when
heated before the blowpipe, gives a brilliant phosphorescent; boric nitride.
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.
a. Pertaining to ætiology; assigning a cause. Æ`ti*o*log"ic*al*ly, adv.
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.
(A*feard") p. a. [OE. afered, AS. af&aemacrred, p. p. of af&aemacrran to frighten; a- (cf.
Goth. us- , Ger. er-, orig. meaning out) + f&aemacrran to frighten. See Fear.] Afraid. [Obs.]
Be not afeard; the isle is full of noises.
(||A"fer) n. [L.] The southwest wind. Milton.