2. (Hydraul. Engin.) A dredging machine for excavating canals, etc.

||Cou`lomb" (k??`l?n"), n. [From Coulomb, a French physicist and electrican.] (Physics) The standard unit of quantity in electrical measurements. It is the quantity of electricity conveyed in one second by the current produced by an electro-motive force of one volt acting in a circuit having a resistance of one ohm, or the quantity transferred by one ampŔre in one second. Formerly called weber.

Coul"ter (kōl"t&etilde;r), n. Same as Colter.

Coul"ter*neb` (-n&ebreve;b`), n. (Zo÷l.) The puffin.

Cou*mar"ic (k??-m?r"?k), a. Relating to, derived from, or like, the Dipterix odorata, a tree of Guiana.

Coumaric acid (Chem.), one of a series of aromatic acids, related to cinnamic acid, the most important of which is a white crystalline substance, HO.C6H4.C2H2.CO2 H, obtained from the tonka bean, sweet clover, etc., and also produced artificially.

Cou"ma*rin (k&oomac;"m&adot;*r&ibreve;n), n. [F., fr. coumarou, a tree of Guiana.] (Chem.) The concrete essence of the tonka bean, the fruit of Dipterix (formerly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla-like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.

Coun"cil (koun"s&ibreve;l), n. [F. concile, fr. L. concilium; con- + calare to call, akin to Gr. &?;&?;&?; to call, and E. hale, v., haul. Cf. Conciliate. This word is often confounded with counsel, with which it has no connection.]

1. An assembly of men summoned or convened for consultation, deliberation, or advice; as, a council of physicians for consultation in a critical case.

2. A body of man elected or appointed to constitute an advisory or a legislative assembly; as, a governor's council; a city council.

An old lord of the council rated me the other day.

Shak.

The Gutenberg Webster's Unabridged Dictionary: Section C · 第 2141 / 2681 题