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Aconitia
n.
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Same as Aconitine.
Aconitic
a.
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Of or pertaining to aconite.
Aconitine
n.
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An intensely poisonous alkaloid, extracted from aconite.
Aconitum
n.
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The poisonous herb aconite; also, an extract from it.
Acontia
n. pl.
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Threadlike defensive organs, composed largely of nettling cells (cnidae), thrown out of the mouth or special pores of certain Actiniae when irritated.
Acontias
n.
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Anciently, a snake, called dart snake; now, one of a genus of reptiles closely allied to the lizards.
Acopic
a.
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Relieving weariness; restorative.
Acorn
n.
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The fruit of the oak, being an oval nut growing in a woody cup or cupule.
Acorn
n.
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A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.
Acorn
n.
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See Acorn-shell.
Acorn cup
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The involucre or cup in which the acorn is fixed.
Acorned
a.
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Furnished or loaded with acorns.
Acorned
a.
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Fed or filled with acorns.
Acorn-shell
n.
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One of the sessile cirripeds; a barnacle of the genus Balanus. See Barnacle.
Acosmism
n.
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A denial of the existence of the universe as distinct from God.
Acosmist
n.
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One who denies the existence of the universe, or of a universe as distinct from God.
Acotyledon
n.
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A plant which has no cotyledons, as the dodder and all flowerless plants.
Acotyledonous
a.
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Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
Acouchy
n.
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A small species of agouti (Dasyprocta acouchy).
Acoumeter
n.
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An instrument for measuring the acuteness of the sense of hearing.
Acoumetry
n.
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The measuring of the power or extent of hearing.
Acoustic
a.
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Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory.
Acoustic
n.
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A medicine or agent to assist hearing.
Acoustical
a.
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Of or pertaining to acoustics.
Acoustically
adv.
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In relation to sound or to hearing.
Acoustician
n.
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One versed in acoustics.
Acoustics
n.
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The science of sounds, teaching their nature, phenomena, and laws.
Acquaint
v. t.
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Acquainted.
Acquainted
imp. & p. p.
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of Acquaint
Acquaint
v. t.
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To furnish or give experimental knowledge of; to make (one) to know; to make familiar; -- followed by with.