diuron

[dahy-uh-ron]
noun
a white crystalline substance, C 9 H 10 Cl 2 N 2 O, used as a weed-killer.

Origin:
1955–60; di(chlorophenyl) + (dimethyl)ur(ea) + -on1

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
Diuron has been approved for control of off-flavor producing cyanobacteria in catfish production ponds.
We examined what effect diuron has on the community structure of ponds.
Even when diuron was used at one tenth the strength as a defoliant it adversely affected pond plankton.
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