Medical 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\play 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.
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