Ac¶eÏtose (#), a. Sour like vinegar; acetous.
Ac·eÏtos¶iÏty (#), n. [LL. acetositas. See Acetous.] The quality of being acetous; sourness.
AÏce¶tous (#; 277), a. [L. acetum vinegar, fr. acere to be sour.] 1. Having a sour taste; sour; acid. ½An acetous spirit.¸ Boyle. ½A liquid of an acetous kind.¸
Bp. Lowth.
2. Causing, or connected with, acetification; as, acetous fermentation.
Acetous acid, a name formerly given to vinegar<— which contains acetic acid —>.
Ac¶eÏtyl (#), n. [L. acetum vinegar + Gr. ? substance. See Ïyl.] (Chem.) A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid.
AÏcet¶yÏlene (#), 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, Ache } (#), n. [F. ache, L. apium parsley.] A name given to several species of plants; as, smallage, wild celery, parsley. [Obs.]
Holland.
AÏch‘¶an (#), AÏcha¶ian (#) } a. [L. Achaeus, Achaius; Gr. ?.] Of or pertaining to Achaia in Greece; also, Grecian. Ð n. A native of Achaia; a Greek.
Ø AÏchar¶neÏment (#), n. [F.] Savage fierceness; ferocity.
Ach¶ate (#), n. An agate. [Obs.] Evelyn. AÏchate¶ (#), n. [F. achat purchase. See Cates.] 1. Purchase; bargaining. [Obs.] Chaucer. 2. pl. Provisions. Same as Cates. [Obs.] Spenser.
Ø Ach·aÏti¶na (#), n. [NL., from Gr. ? agate.] (Zo”l.) A genus of land snails, often large, common in the warm parts of America and Africa.
AÏchaÏtour¶ (#), n. [See Cater.] Purveyor; acater. [Obs.]
Chaucer.
Ache (#), n. [OE. ache, AS. ‘ce, ece, fr. acan to ache. See Ache, v. i.] Continued pain, as distinguished from sudden twinges, or spasmodic pain. ½Such an ache in my bones.½
Shak.
µ Often used in composition, as, a headache, an earache, a toothache.
Ache (#), v. i. [imp. & p. p. Ached (#); p. pr. & vb. n. Aching (#).] [OE. aken, AS. acan, both strong verbs, AS. acan, imp. ?c, 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. ½My old bones ache.¸
Shak.
The sins that in your conscience ache.
Keble.
AÏche¶an (#), a & n. See Ach‘an, Achaian.
AÏchene¶ (#), AÏche¶niÏum (#) } n. [Gr. ? priv. + ? to gape.] (Bot.) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; Ð called a naked seed by the earlier botanists. [Written also akene and ach‘nium.]