Defn: Native silver chloride, a mineral of a white to pale yellow or gray color, darkening on exposure to the light. It may be cut by a knife, like lead or horn (hence called horn silver).

CERASIN
Cer"a*sin, n. (Chem.)

Defn: A white amorphous substance, the insoluble part of cherry gum; — called also meta-arabinic acid.

2. (Chem.)

Defn: A gummy mucilaginous substance; — called also bassorin, tragacanthin, etc.

CERASINOUS
Ce*ras"i*nous, a.

1. Pertaining to, or containing, cerasin.

2. Of a cherry color.

CERASTES
Ce*ras"tes, n. Etym: [L., a horned serpent, fr. Gr. (Zoöl.)

Defn: A genus of poisonous African serpents, with a horny scale over each eye; the horned viper.