alachlor

noun
al·​a·​chlor | \ˈa-lə-ˌklȯr \

Definition of alachlor 

: an herbicide C14H20ClNO2 derived from aniline and used to control grasses and broadleaved weeds among crop plants

First Known Use of alachlor

1970, in the meaning defined above

History and Etymology for alachlor

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

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The first known use of alachlor was in 1970

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