Acicular

a-sikMi-lSr, a. Slender, like a needle; needle- shaped. [L. acicula, dim, of acvs. needle.] — Acic'- ularly, adv. — Acic'ulate, -ulated, a. Acicular. — Acic'ulite, n. Needle-ore an ore of bismuth, found in quartz, in long thin crystals. Acid, as'id, w. A sour substance. (.Chem.) A substance having the properties of combining with alkalies and alkaline oxides, and of reddening most blue vegetable colors, and usually with a strong, sharp taste. — a. Sour, sharp, or biting to the taste tart. [L. acid us, acuere. to make sharp.] — Acidity. Ac'idne . n. Quality of being, etc. — Acid'ify, [acidified (-fid), -fving.] To make acid; esp. to convert into an acid, by chemical combination. [L. facere, to make.] — Acid'ifiable, a. — Acid'ifica'tion, n. — Acidif'ic, a. Producing acidity.— Acid'in'er. n. (Chem.) A principle acce ary to produce acidity. — Acidim'eter, n. An instrument for ascertaining the strength of acids. [Gr. metron, measure.] — Acid'ulous, a. Slightly sour sub-acid sourish. [L. acidulus, dim. of acid us.] — Acid'ulate, v. To make slightly acid.—Acid''- ulent, a. Somewhat aeid; sour; cro . Aciniform. a-sin'I-fdrm, a. Formed like a cluster of grapes or a grape-stone; full of small kernels. [L. acinus, grape, grape-stone, and form a, form.] Acknowledge, ak-nol'ej, [acknowledged (-ejd), -edging.] To own, avow, admit; to recognize; to own with gratitude; to own. etc., in a lesal form; to concede, confe , allow. [Prefix a, and Ixioivledge.] —Acknowledgment, n. Act of, etc.; something given or done in return for a favor; a declaration of one's own act, to give legal validity.