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Pyrethrin

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Definitions of Pyrethrin
Pronunciation : Pyr"eth*rin
Part of Speech : n.
Etymology : [NL. Pyrethrum, generic name of feverfew, Gr. (Chem.)
Definition : Defn: A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
Source : Webster's Unabridged Dictionary, 1913

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