tri·​chlor·​fon | \ (ˌ)trī-ˈklȯr-ˌfän How to pronounce trichlorfon (audio) \
variants: or less commonly trichlorphon

Definition of trichlorfon

: a crystalline compound C4H8Cl3O4P used especially as an insecticide

Examples of trichlorfon in a Sentence

Recent Examples on the Web

Five of these chemicals -- naled, methamidophos, trichlorfon, chlorpyrifos and phorate -- showed up in at least 10% of the cord blood samples. Susan Scutti, CNN, "Study links mosquito spray to delayed motor skills in babies," 9 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trichlorfon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of trichlorfon

1960, in the meaning defined above

History and Etymology for trichlorfon

tri- + chlor- + -fon (irregular from phosphonate, a salt derived from phosphine)

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The first known use of trichlorfon was in 1960

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variants: also trichlorphon \ (ˈ)trī-​ˈklō(ə)r-​ˌfän, -​ˈklȯ(ə)r-​ How to pronounce trichlorphon (audio) \

Medical Definition of trichlorfon

: an organophosphate C4H8Cl3O4P used as a parasiticide in veterinary medicine

Comments on trichlorfon

What made you want to look up trichlorfon? Please tell us where you read or heard it (including the quote, if possible).


to wander slowly or to speak indistinctly

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