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Bible Dictionaries
Pyrethrin

Webster's Dictionary

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(n.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; - called also Pyrethrum camphor.

Bibliography Information
Webster, Noah. Entry for 'Pyrethrin'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pyrethrin.html. 1828.
 
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