levodopa

CIDE DICTIONARY

levodopa, a. [Levo- + DOPA, dihydroxyphenylalanine.].

 A substance used as a therapy for Parkinson's Disease; the L form of Dopa; L-dihydroxyphenylalanine; L-hydroxytyrosine (C9H11NO4); also called L-dopa. In the body it is converted by the enzyme dopa-decarboxylase into dopamine, the form in which it is active in the brain, affecting neural impulse transmission.  [PJC]

OXFORD DICTIONARY

levodopa, n. laevorotatory dopa.