Meaning Of The Word Pyrethrin

Real Dictionary

What's the definition of Pyrethrin? Find Pyrethrin meanings, definitions and more at the Real Dictionary online.

Pyrethrin Meaning

Pyrethrin Definition
Pyrethrin Definition

What's The Definition Of Pyrethrin?

pyrethrin in American English
either of two liquid esters, C21H28O3 or C22H28O5, derived from chrysanthemums: the active ingredient of pyrethrum
noun: a viscous, water-insoluble liquid, C21H28O3, extracted from pyrethrum flowers, used as an insecticide

pyrethrin in British English
noun: an oily water-insoluble compound used as an insecticide. Formula: C21 H28 O3

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