al·​a·​chlor ˈa-lə-ˌklȯr How to pronounce alachlor (audio)
: an herbicide C14H20ClNO2 derived from aniline and used to control grasses and broadleaved weeds among crop plants

Word History


ala- (perhaps from rearranged letters of acetanilide) + chlor-

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of alachlor was in 1970

Dictionary Entries Near alachlor

Cite this Entry

“Alachlor.” Dictionary, Merriam-Webster, Accessed 23 Mar. 2023.

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