PYRETHRIN

Etymology

Noun

pyrethrin (plural pyrethrins)

(organic compound) Any of a number of naturally occurring insecticides extracted from the pyrethrum plant; unusual in having a cyclopropane ring.

Source: Wiktionary


Pyr"eth*rin, n. Etym: [NL. Pyrethrum, generic name of feverfew, Gr. (Chem.)

Definition: 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 Edition



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Word of the Day

3 May 2025

DESIRABLE

(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”


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Coffee Trivia

Raw coffee beans, soaked in water and spices, are chewed like candy in many parts of Africa.

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