ethion

noun

eth·i·on ˈe-thē-ˌän

: a toxic organophosphate C₉H₂₂O₄P₂S₄ used as an insecticide and acaricide

Word History

Etymology

blend of eth- and thion-

First Known Use

circa 1960, in the meaning defined above

Time Traveler

The first known use of ethion was circa 1960

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Browse Nearby Words

ethiodide

ethion

ethionamide

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Cite this Entry

Style

“Ethion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethion. Accessed 4 Nov. 2025.

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