Cryptidine \Cryp"ti*dine\ (kr?p"t?-d?n; 104), n. [Gr. krypto`s
hidden.] (Chem.)
One of the quinoline bases, obtained from coal tar as an oily
liquid, {C11H11N}; also, any one of several substances
metameric with, and resembling, cryptidine proper.
[1913 Webster]