Definition of rotenone
: a crystalline insecticide C23H22O6 obtained from the roots of several tropical plants (such as a derris) that is highly toxic to fish but is of low toxicity to warm-blooded animals and is used especially in home gardens
Recent Examples of rotenone from the Web
Nymphs can be controlled with insecticidal soap, pyrethrum, rotenone or neem.
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Origin and Etymology of rotenone
International Scientific Vocabulary, from Japanese roten derris plant
First Known Use: 1904See Words from the same year
Medical Definition of rotenone
: a crystalline insecticide C23H22O6 that is of low toxicity for warm-blooded animals and is used especially in home gardens
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