rotenone

POS

Noun

HYPHEN

ro=te=none

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CIDE DICTIONARY

rotenone, n.

A chemical substance (C23H22O6) extracted from the root of the derris (Derris elliptica, Derris malaccensis, and other species), used in treatment of scabies and as an insecticide for external infestation by chiggers in human medicine, and in veterinary medicine for the treatment of infestations with fleas, ticks, and lice. [PJC]

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OXFORD DICTIONARY

rotenone, n. a toxic crystalline substance obtained from the roots of derris and other plants, used as an insecticide.

Etymology

Jap. rotenon f. roten derris

For further exploring for "rotenone" in Webster Dictionary Online

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