Aphæresis
(||A*phær"e*sis) n. [L.] Same as Apheresis.
Aphakia
(||A*pha"ki*a) n. [NL.; Gr. 'a priv. + seed of a lentil.] (Med.) An anomalous state of refraction
caused by the absence of the crystalline lens, as after operations for cataract. The remedy is the use of
powerful convex lenses. Dunglison.
Aphakial
(A*pha"ki*al) a. (Med.) Pertaining to aphakia; as, aphakial eyes.
Aphaniptera
(||Aph`a*nip"te*ra) n. pl. [NL., fr. Gr. invisible ('a priv. + to appear) + a wing.] (Zoöl.) A
group of wingless insects, of which the flea in the type. See Flea.
Aphanipterous
(Aph`a*nip"ter*ous) a. (Zoöl.) Of or pertaining to the Aphaniptera.
Aphanite
(Aph"a*nite) n. [Gr. invisible; 'a priv. + to appear.] (Min.) A very compact, dark-colored ock,
consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Aphanitic
(Aph`a*nit"ic) a. (Min.) Resembling aphanite; having a very fine-grained structure.
Aphasia
(||A*pha"si*a Aph"a*sy) n. [NL. aphasia, Gr. fr. not spoken; 'a priv. + to speak: cf. F. aphasie.]
(Med.) Loss of the power of speech, or of the appropriate use of words, the vocal organs remaining
intact, and the intelligence being preserved. It is dependent on injury or disease of the brain.
Aphasic
(A*pha"sic) a. Pertaining to, or affected by, aphasia; speechless.
Aphelion
(A*phel"ion) n.; pl. Aphelia (Astron.) That point of a planet's or comet's orbit which is most
distant from the sun, the opposite point being the perihelion.
Apheliotropic
(A*phe`li*o*trop"ic) a. [Gr. + sun + belonging to a turning.] Turning away from the sun;
said of leaves, etc. Darwin.
Apheliotropism
(A*phe`li*ot"ro*pism) n. The habit of bending from the sunlight; said of certain plants.
Aphemia
(||A*phe"mi*a) n. [NL., fr. Gr. 'a priv. + voice.] (Med.) Loss of the power of speaking, while
retaining the power of writing; a disorder of cerebral origin.
Apheresis
(A*pher"e*sis) n. [L. aphaeresis, Gr. fr. to take away; + to take.]