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etorphine

American

[ih-tawr-feen, ih-tohr-] / ɪˈtɔr fin, ɪˈtoʊr- /

noun

Pharmacology.

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

Etymology

Origin of etorphine

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

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.