Defn: The act or art of writing in secret characters; also, secret characters, or cipher.

CRYPTOLOGY
Cryp*tol"o*gy, n. Etym: [Gr. krypto`s hidden + -logy.]

Defn: Secret or enigmatical language. Johnson.

CRYPTONYM
Cryp"to*nym (krp"t-nm), n. Etym: [Gr.

Defn: A secret name; a name by which a person is known only to the initiated.

CRYPTOPINE Cryp"to*pine (krp"t-pn; 104), n. Etym: [Gr. krypto`s hidden + E. opium.] (Chem.)

Defn: A colorless crystalline alkaloid obtained in small quantities from opium.

CRYPTURI
Cryp*tu"ri (krp-t"r), n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: An order of flying, dromTinamou.

CRYSTAL Crys"tal (krs"tal), n. Etym: [OE. cristal, F. cristal, L. crystallum crystal, ice, fr. Gr. crystalla, fr. L. crystallum; prob. akin to E. crust. See Crust, Raw.]