malathion Hear it!

malathion definition

☆ mala·thion (mal′ə t̸hī′än′, -ən)

noun

an organic phosphate, CHOSP, of relatively low toxicity for mammals, used as an insecticide

Etymology: < mal(ic) a(cid) + thion(ic)

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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