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promazine

American

[proh-muh-zeen] / ˈproʊ məˌzin /

noun

Pharmacology.

a compound, C 17 H 20 N 2 S, used as a tranquilizer.

Etymology

Origin of promazine

1955–60; pro(pyl) + m(ethyl) + (thi)azine, components of its chemical name

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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.