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malathion

[mal-uh-thahy-on, ‐uh n]
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noun
  1. an organic phosphate insecticide, C10H19O6S2P, of relatively low toxicity for mammals.
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Origin of malathion

First recorded in 1953
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for malathion

Malathion

noun
  1. trademark a yellow organophosphorus insecticide used as a dust or mist for the control of house flies and garden pests. Formula: C 10 H 19 O 6 PS 2
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Word Origin

C20: from (diethyl) mal (eate) + thio- + -on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012