Search:pyrethrin -> PYRETHRIN
pyrethrin
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The Salt of the World?
- Pyrethrin - n. - A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.
- Pyrethrine - n. - An alkaloid extracted from the root of the pellitory of Spain (Anacyclus pyrethrum).