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  • malathion
    malathion
    noun
    an organic phosphate insecticide, C 10 H 19 O 6 S 2 P, of relatively low toxicity for mammals.
  • Malathion
    Malathion
    noun
    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

malathion

American  
[mal-uh-thahy-on, ‑uhn] / ˌmæl əˈθaɪ ɒn, ‑ən /

noun

  1. an organic phosphate insecticide, C 10 H 19 O 6 S 2 P, of relatively low toxicity for mammals.


Malathion British  
/ ˌmæləˈθaɪɒn /

noun

  1. 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

"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

Etymology

Origin of malathion

First recorded in 1953

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As for malathion, a 2000 federal review found it posed no threat to people when used correctly.

From Los Angeles Times • Oct. 15, 2024

In the meantime, the young people of the California Conservation Corps were the ones on the ground in the quarantine zone, stripping off fruit, hand-spraying with the malathion recipe.

From Los Angeles Times • Oct. 15, 2024

Health and environmental scientists are concerned about more than the direct impact of having potentially greater amounts of acephate and malathion on celery and other produce.

From Salon • Apr. 25, 2024

Acephate and malathion belong to a class of chemicals called organophosphates, which U.S. farmers have used for decades because they efficiently kill aphids, fire ants and other pests.

From Salon • Apr. 25, 2024

DDT, methoxychlor, malathion, phenothiazine, and various dinitro compounds are among the numerous pesticides that have been found to inhibit one or more of the enzymes concerned in the cycle of oxidation.

From "Silent Spring" by Rachel Carson

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