apomorphine
nounUK /ˌap.əˈmɔː.fiːn/ · US /ˌæp.əˈmɔɹˌfin/
Etymology From apo- + morphine.
1
Medicine, Pharmacology, Sciences A crystalline morphine derivative that is a dopamine agonist, used as an emetic and is injected subcutaneously in the form of its hydrochloride C₁₇H₁₇NO₂·HCl·1/2H₂O to treat episodes of immobility associated with advanced Parkinson's disease.