<chemistry> A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew.

Synonyms: Pyrethrum camphor.

Origin: NL. Pyrethrum, generic name of feverfew, Gr. Feverfew.

(01 Mar 1998)

pyrene, pyrenes, Pyrenochaeta romeroi, pyrenoid < Prev | Next > pyrethrine, pyrethrins, pyrethroids

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