'rhamnoxanthin' definitions:

Definition of 'rhamnoxanthin'

From: GCIDE

Frangulin \Fran"gu*lin\, n. (Chem.) A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; -- called also rhamnoxanthin. [1913 Webster]