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rotenone
Definitions
[ˈrəʊtɪnəʊn], (Noun)
Definitions:
- a toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide
Phrases:
Origin
:
early 20th century: from Japanese rotenon, from a regional Chinese word for derris and similar plants + -one
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definition by Oxford Dictionaries