Obsolete form of cryptic.

(organic chemistry) One of the quinoline bases, obtained from coal tar as an oily liquid, C₁₁H₁₁N. / (organic chemistry) Any of several substances metameric with, and resembling, cryptidine proper.

(anatomy) Of or pertaining to crypts (small pits or cavities in the body).

(zoology) Any fish in the family Cryptacanthodidae.

plural of cryptacanthodid

By means of, or in terms of, cryptanalysis.

cryptanalytic

The quality of being cryptic.

alphametics as a genre of puzzle

A particular steroid glycoside.