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Apetalous
a.
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Having no petals, or flower leaves. [See Illust. under Anther].
Apetalousness
n.
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The state of being apetalous.
Apexes
pl.
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of Apex
Apices
pl.
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of Apex
Apex
n.
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The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf.
Apex
n.
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The end or edge of a vein nearest the surface.
Aphaeresis
n.
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Same as Apheresis.
Aphakia
n.
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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.
Aphakial
a.
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Pertaining to aphakia; as, aphakial eyes.
Aphaniptera
n. pl.
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A group of wingless insects, of which the flea in the type. See Flea.
Aphanipterous
a.
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Of or pertaining to the Aphaniptera.
Aphanite
n.
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A very compact, dark-colored /ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Aphanitic
a.
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Resembling aphanite; having a very fine-grained structure.
Aphasia
n.
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Alt. of Aphasy
Aphasy
n.
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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.
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Pertaining to, or affected by, aphasia; speechless.
Aphelia
pl.
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of Aphelion
Aphelion
n.
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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.
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Turning away from the sun; -- said of leaves, etc.
Apheliotropism
n.
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The habit of bending from the sunlight; -- said of certain plants.
Aphemia
n.
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Loss of the power of speaking, while retaining the power of writing; -- a disorder of cerebral origin.
Apheresis
n.
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The dropping of a letter or syllable from the beginning of a word; e. g., cute for acute.
Apheresis
n.
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An operation by which any part is separated from the rest.
Aphesis
n.
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The loss of a short unaccented vowel at the beginning of a word; -- the result of a phonetic process; as, squire for esquire.
Aphetic
a.
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Shortened by dropping a letter or a syllable from the beginning of a word; as, an aphetic word or form.
Aphetism
n.
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An aphetized form of a word.
Aphetize
v. t.
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To shorten by aphesis.
Aphid
n.
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One of the genus Aphis; an aphidian.
Aphides
n. pl.
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See Aphis.
Aphidian
a.
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Of or pertaining to the family Aphidae.