ˈmȯrˌfēn, ˈmȯ(ə)ˌ- sometimes ̷ ̷ˈ ̷ ̷ noun
( -s )
Etymology: French, from Morpheus + French -ine
: a bitter crystalline narcotic habit-forming base C 17 H 19 NO 3 that is the principal alkaloid of opium occurring in amounts up to 15 percent, that chemically is a complex derivative of phenanthrene, that produces powerful complex physiological and psychic effects similar in some respects to those of opium, and that is used in the form of a soluble salt (as the hydrochloride or sulfate) chiefly as an analgesic and sedative
• mor·phin·ic (ˈ)mȯ(r)|finik adjective