Acetyl to Acknowledge
Acetyl
(Ac"e*tyl) n. [L. acetum vinegar + Gr. substance. See -yl.] (Chem.) A complex, hypothetical
radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic
acid.
Acetylene
(A*cet"y*lene) n. (Chem.) A gaseous compound of carbon and hydrogen, in the proportion
of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor,
and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on
calcium carbide. Its light is very brilliant. Watts.
Ach
(Ach, Ache) n. [F. ache, L. apium parsley.] A name given to several species of plants; as, smallage,
wild celery, parsley. [Obs.] Holland.
Achæan
(A*chæ"an A*cha"ian) a. [L. Achaeus, Achaius; Gr. .] Of or pertaining to Achaia in Greece; also,
Grecian. — n. A native of Achaia; a Greek.
Acharnement
(||A*char"ne*ment) n. [F.] Savage fierceness; ferocity.
Achate
(Ach"ate) n. An agate. [Obs.] Evelyn.
Achate
(A*chate") n. [F. achat purchase. See Cates.]
1. Purchase; bargaining. [Obs.] Chaucer.
2. pl. Provisions. Same as Cates. [Obs.] Spenser.
Achatina
(||Ach`a*ti"na) n. [NL., from Gr. agate.] (Zoöl.) A genus of land snails, often large, common in
the warm parts of America and Africa.
Achatour
(A*cha*tour") n. [See Cater.] Purveyor; acater. [Obs.] Chaucer.
Ache
(Ache) n. [OE. ache, AS. æce, ece, fr. acan to ache. See Ache, v. i.] Continued pain, as
distinguished from sudden twinges, or spasmodic pain. "Such an ache in my bones." Shak.
Often used in composition, as, a headache, an earache, a toothache.
Ache
(Ache) v. i. [imp. & p. p. Ached ; p. pr. & vb. n. Aching ] [OE. aken, AS. acan, both strong
verbs, AS. acan, imp. oc, p. p. acen, to ache; perh. orig. to drive, and akin to agent.] To suffer
pain; to have, or be in, pain, or in continued pain; to be distressed. "My old bones ache." Shak.
The sins that in your conscience ache.
Keble.
Achean
(A*che"an) a. & n. See Achæan, Achaian.
Achene
(A*chene" A*che"ni*um) n. 'a priv. + to gape.]—> (Bot.) A small, dry, indehiscent fruit, containing
a single seed, as in the buttercup; — called a naked seed by the earlier botanists. [Written also akene
and achænium.]
Achenial
(A*che"ni*al) a. Pertaining to an achene.
Acheron
(Ach"e*ron) n. [L., fr. Gr. .] (Myth.) A river in the Nether World or infernal regions; also, the
infernal regions themselves. By some of the English poets it was supposed to be a flaming lake or gulf.
Shak.
Acherontic
(Ach`e*ron"tic) a. Of or pertaining to Acheron; infernal; hence, dismal, gloomy; moribund.
Achievable
(A*chiev"a*ble) a. Capable of being achieved. Barrow.
