'imperatorin' definitions:

Definition of 'imperatorin'

From: GCIDE

Peucedanin \Peu*ced"a*nin\, n. (Chem.) A tasteless white crystalline substance, extracted from the roots of the sulphurwort (Peucedanum), masterwort (Imperatoria), and other related plants; -- called also imperatorin. [1913 Webster]