Defn: A white amorphous substance, regarded as a polymeric modification of isocyanic acid.

CYAMELLONE
Cy*am"el*lone (s-m"l-ln), n. (Chem)

Defn: A complex derivative of cyanogen, regarded as an acid, and known chiefly in its salts; — called also hydromellonic acid.

CYANATE
Cy"a*nate (s"-nt), n. Etym: [Cf. F. cuanate. See Cyanic.] (Chem.)

Defn: A salt of cyanic acid. Ammonium cyanate (Chem.), a remarkable white crystalline substance, NH4.O.CN, which passes, on standing, to the organic compound, urea, CO.(NH)2.

CYANAURATE
Cy`an*au"rate (s`n-"rt), n.

Defn: See Aurocyanide.

CYANEAN
Cy*a"ne*an (s-"n-an), a. Etym: [Gr. kya`neos dark blue.]

Defn: Having an azure color. Pennant.

CYANIC
Cy*an"ic (s-n"k), a. Etym: [Gr. cyanique. Cf. Kyanite.]