etorphine

[ ih-tawr-feen, ih-tohr- ]

noun

, Pharmacology.

1. a narcotic analgesic, C 25 H 33 NO 4 , used for immobilizing large animals.

Word History and Origins

Origin of etorphine¹

1970–75; probably et(henom)orphine a chemical component; ethene, -o-, morphine

Example Sentences

South African veterinaries use etorphine, which is better known as “M99”.

From Scientific American

Etorphine is an opioid that is between 1,000 and 3,000 times as potent an analgesic as morphine.

From Scientific American