apomorphine UK /ˌap.əˈmɔː.fiːn/US /ˌæp.əˈmɔɹˌfin/ noun1 •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. formsapomorphines
