Ammonium cyanate(Chem.), a remarkable white crystalline substance, NH4.O.CN, which passes, on standing, to the organic compound, urea, CO.(NH2)2.

(Cy`an*au"rate) n. See Aurocyanide.

(Cy*a"ne*an) a. [Gr. kya`neos dark blue.] Having an azure color. Pennant.

(Cy*an"ic) a. [Gr. ky`anos a dark blue substance: cf. F. cyanique. Cf. Kyanite.]

1. Pertaining to, or containing, cyanogen.

2. Of or pertaining to a blue color.

Cyanic acid(Chem.), an acid, HOCN, derived from cyanogen, well known in its salts, but never isolated in the free state.Cyanic colors(Bot.), those colors (of flowers) having some tinge of blue; — opposed to xanthic colors. A color of either series may pass into red or white, but not into the opposing color. Red and pure white are more common among flowers of cyanic tendency than in those of the other class.

(Cy"a*nide) n. [Cf. F. cyanide. See Cyanic.] (Chem.) A compound formed by the union of cyanogen with an element or radical.

(Cut"wa`ter) n. (Naut.)

1. The fore part of a ship's prow, which cuts the water.

2. A starling or other structure attached to the pier of a bridge, with an angle or edge directed up stream, in order better to resist the action of water, ice, etc.; the sharpened upper end of the pier itself.

3. (Zoöl.) A sea bird of the Atlantic (Rhynchops nigra); — called also black skimmer, scissorsbill, and razorbill. See Skimmer.

(Cut"work`) n. (Fine Arts) An ancient term for embroidery, esp. applied to the earliest form of lace, or to that early embroidery on linen and the like, from which the manufacture of lace was developed.

(Cut"worm`) n. (Zoöl.) A caterpillar which at night eats off young plants of cabbage, corn, etc., usually at the ground. Some kinds ascend fruit trees and eat off the flower buds. During the day, they conceal themselves in the earth. The common cutworms are the larvæ of various species of Agrotis and related genera of noctuid moths.

(||Cu*vette") n. [F., dim. of cuve a tub.]

1. A pot, bucket, or basin, in which molten plate glass is carried from the melting pot to the casting table.

2. (Fort.) A cunette.

(Cy*am"e*lide) (si*am"e*lid or -lid; 104), n. (Chem.) A white amorphous substance, regarded as a polymeric modification of isocyanic acid.

(Cy*am"el*lone) n. (Chem) A complex derivative of cyanogen, regarded as an acid, and known chiefly in its salts; — called also hydromellonic acid.

(Cy"a*nate) n. [Cf. F. cuanate. See Cyanic.] (Chem.) A salt of cyanic acid.

  By PanEris using Melati.

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