acetochlor

noun

ace·​to·​chlor ə-ˈsē-tō-ˌklȯr How to pronounce acetochlor (audio)
: 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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Word History

Etymology

aceto- + -chlor (as in alachlor)

First Known Use

circa 1971, in the meaning defined above

Time Traveler
The first known use of acetochlor was circa 1971

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Cite this Entry

“Acetochlor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetochlor. Accessed 30 Sep. 2022.

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