'Crocein' definitions:

Definition of 'Crocein'

From: GCIDE

Crocein \Cro"ce*in\ (kr?"s?-?n), n. [See Croceous.] (Chem.) A name given to any one of several yellow or scarlet dyestuffs of artificial production and complex structure. In general they are diazo and sulphonic acid derivatives of benzene and naphthol. [1913 Webster]