ace·​to·​chlor | \ ə-ˈsē-tō-ˌklȯr How to pronounce acetochlor (audio) \

Definition of acetochlor

: an herbicide C14H20ClNO2 that is typically applied before the emergence of crop seedlings aboveground and is used to control grasses and broad-leaved weeds acetochlor, a herbicide commonly used by farmers to control weeds in corn.— Mary Divine & Dennis Lien, St. Paul (Minnesota) Pioneer Press, 26 Sept. 2007

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First Known Use of acetochlor

circa 1971, in the meaning defined above

History and Etymology for acetochlor

aceto- + -chlor (as in alachlor)

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Time Traveler for acetochlor

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The first known use of acetochlor was circa 1971

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Cite this Entry

“Acetochlor.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2020.

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