Webster's Unabridged Dictionary (1st 100 Pages). Noah Webster
+ Ïoid.] (Zo”l.) Belonging to or resembling the Acaleph‘ or jellyfishes.
AÏcal¶yÏcine (#), Ac·aÏlys·iÏnous (#), a. [Gr. ? priv. + ? calyx.] (Bot.) Without a calyx, or outer floral envelope.
AÏcanth¶ (#), n. Same as Acanthus.
Ø AÏcan¶tha (#), n. [Gr. ? thorn, fr. ? point. See Acute.] 1. (Bot.) A prickle.
2. (Zo”l.) A spine or prickly fin.
3. (Anat.) The vertebral column; the spinous process of a vertebra.
Dunglison.
Ac¶anÏtha¶ceous (#), a. 1. Armed with prickles, as a plant.
2. (Bot.) Of, pertaining to, or resembling, the family of plants of which the acanthus is the type.
p. 10
AÏcan¶thine (#), a. [L. acanthinus, Gr. ?, thorny, fr. ?. See Acanthus.] Of, pertaining to, or resembling, the plant acanthus.
AÏcan·thoÏcar¶pous (#), a. [Gr. ? thorn + ? fruit.] (Bot.) Having the fruit covered with spines.
Ø AÏcan·thoÏceph¶aÏla (#), n. pl. [NL., from Gr. ? a spine, thorn + ? head.] (Zo”l.) A group of intestinal worms, having the proboscis armed with recurved spines.
AÏcan·thoÏceph¶aÏlous (#), a. (Zo”l.) Having a spiny head, as one of the Acanthocephala.
Ac·anÏthoph¶oÏrous (#), a. [Gr. ?, fr. ? spine + ? to bear.] SpineÐbearing.
Gray.
AÏcan·thoÏpo¶diÏous (#), a. [Gr. ? thorn + ?, ?, foot.] (Bot.) Having spinous petioles.
Ø Ac·anÏthop¶terÏi (#), n. pl. [NL., from Gr. ? thorn + ? wing, fin.] (Zo”l.) A group of teleostean fishes having spiny fins. See Acanthopterygh.
Ac·anÏthop¶terÏous (#), a. [Gr. ? spine + ? wing.] 1. (Zo”l.) SpinyÐwinged.
2. (Zo”l.) Acanthopterygious.
Ac·anÏthop·terÏyg¶iÏan (#), a. (Zo”l.) Belonging to the order of fishes having spinose fins, as the perch. Ð n. A spinyÐfinned fish.
Ø Ac·anÏthop·terÏyg¶iÏi (#), n. pl. [NL., from Gr. ? thorn + ? fin, dim. fr. ? wing.] (Zo”l.) An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch.
Ac·anÏthop·terÏyg¶iÏous (#), a. (Zo”l.) Having fins in which the rays are hard and spinelike; spinyÐfinned.
AÏcan¶thus (#), n.; pl. E. Acanthuses (#), L. Acanthi (#). [L., from Gr. ?. Cf. Acantha.]
1. (Bot.) A genus of herbaceous prickly plants, found in the south of Europe, Asia Minor, and India; bear'sÐbreech.
2. (Arch.) An ornament resembling the foliage or leaves of the acanthus (Acanthus spinosus); Ð used in the capitals of the Corinthian and Composite orders.
Ø A capÏpel¶la (#). [It. See Chapel.] (Mus.) (a) In church or chapel style; Ð said of compositions sung in the old church style, without instrumental accompaniment; as, a mass a capella, i.e., a mass purely vocal. (b) A time indication, equivalent to alla breve.
AÏcap¶suÏlar (#), a. [Pref. aÐ not + capsular.] (Bot.) Having no capsule.
AÏcar¶diÏac (#), a. [Gr. ?; ? priv. + ? heart.] Without a heart; as, an acardiac fetus.
AÏcar¶iÏdan (#), n. [See Acarus.] (Zo”l.) One of a group of arachnids, including the mites and ticks.
Ø Ac·aÏri¶na (#), n. pl. [NL., from Gr. ? a mite.] (Zo”l.) The group of Arachnida which includes the mites and ticks. Many species are parasitic, and cause diseases like the itch and mange.
Ac¶aÏrine (#), a. (Med.) Of or caused by acari or mites; as, acarine diseases.
Ac¶aÏroid (#), a. [NL., acarus a mite + Ðoid.] (Zo”l.) Shaped like or resembling a mite.
Ac·arÏpel¶lous (#), a. [Pref. aÐ not + carpel.] (Bot.) Having no carpels.
AÏcar¶pous (#), a. [Gr. ?; ? priv. + ? fruit.] (Bot.) Not producing fruit; unfruitful.
Ø Ac¶aÏrus (#), n.; pl. Acari (#). [NL., from Gr. ? the cheese mite, tick.] (Zo”l.) A genus including many species of small mites.
AÏcat·aÏlec¶tic (#), a. [L. acatalecticus, Gr. ?, not defective at the end; ? priv. + ? to cease.] (Pros.) Not defective; complete; as, an acatalectic verse. Ð n. A verse which has the complete number of feet and syllables.
AÏcat¶aÏlep·sy (#), n. [Gr. ?; ? priv. + ? to seize, comprehend.] Incomprehensibility of things; the doctrine held by the ancient Skeptic philosophers, that human knowledge never amounts to certainty, but only to probability.
AÏcat·aÏlep¶tic (#), a. [Gr. ?.] Incapable of being comprehended; incomprehensible.
AÏca¶ter (#), n. See Caterer. [Obs.]
AÏcates¶ (#), n. pl. See Cates. [Obs.]
AÏcau¶date (#), a. [Pref. aÐ not + eaudate.] Tailless.
Ac·auÏles¶cent (#), a. [Pref. aÐ not + caulescent.] (Bot.) Having no stem or caulis, or only a very short one concealed in the ground.
Gray.
AÏcau¶line (#), a. [Pref. aÐ not + cauline.] (Bot.) Same as Acaulescent.
AÏcau¶lose (#), AÏcau¶lous (#),} a. [Gr. ?; ? priv. + ? stalk or L. caulis stalk. See Cole.] (Bot.) Same as Acaulescent.
AcÏca¶diÏan (#), a. [From the city Accad. See Gen. x. 10.] Pertaining to a race supposed to have lived in Babylonia before the Assyrian conquest. Ð AcÏca¶diÏan, n., Ac¶cad (#), n.
Sayce.
AcÏcede¶ (#), v. i. [imp. & p. p. Acceded; p. pr. & vb. n. Acceding.] [L. accedere to approach, accede; ad + cedere to move, yield: cf. F. acc‚dere. See Cede.]
1. To approach; to come forward; Ð opposed to recede. [Obs. or R.]
T. Gale.
2. To enter upon an office or dignity; to attain.
Edward IV., who had acceded to the throne in the year 1461.
T. Warton.
If Frederick had acceded to the supreme power.
Morley.
3. To become a party by associating one's self with others; to give one's adhesion. Hence, to agree or assent to a proposal or a view; as, he acceded to my request.
The treaty of Hanover in 1725 … to which the Dutch afterwards acceded.
Chesterfield.
Syn. Ð To agree; assent; consent; comply; acquiesce; concur.
AcÏced¶ence (#), n. The act of acceding.
AcÏced¶er (#), n. One who accedes.
Ø AcÏcel·erÏan¶do (#), a. [It.] (Mus.) Gradually accelerating the movement.
AcÏcel¶erÏate (#), v. t. [imp. & p. p. Accelerated (#); p. pr. & vb. n. Accelerating.] [L. acceleratus, p. p. of accelerare; ad + celerare to hasten; celer quick. See Celerity.] 1. To cause to move faster; to quicken the motion of; to add to the speed of; Ð opposed to retard.
2. To quicken the natural or ordinary progression or process of; as, to accelerate the growth of a plant, the increase of wealth, etc.
3. To hasten, as the occurence of an event; as, to accelerate our departure.
Accelerated motion (Mech.), motion with a continually increasing velocity. Ð Accelerating force, the force which causes accelerated motion.
Nichol.
Syn. Ð To hasten; expedite; quicken; dispatch; forward; advance; further.
AcÏcel·erÏa¶tion (#), n. [L. acceleratio: cf. F. acc‚l‚ration.] The act of accelerating, or the state of being accelerated; increase of motion or action; as, a falling body moves toward the earth with an acceleration of velocity; Ð opposed to retardation.
A period of social improvement,