cudbear

cud·bear

noun \ˈkəd-ˌba(ə)r, -ˌbe(ə)r\

Definition of CUDBEAR

: a reddish coloring matter from lichens that is sometimes considered a form of archil and is used in coloring pharmaceutical preparations

Biographical Note for CUDBEAR

Gor·don \ˈgȯrd-^ən\ , Cuthbert British chemist. Sometime in the 18th century Gordon first patented the dye now known as cudbear, the name being derived from his first name.