Pyrethrin Definition

pī-rēthrĭn, -rĕthrĭn
noun
Either of two liquid esters, C21H28O3 or C22H28O5, derived from chrysanthemums: the active ingredient of pyrethrum.
Webster's New World

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

Wiktionary
Advertisement

Other Word Forms of Pyrethrin

Noun

Singular:
pyrethrin
Plural:
pyrethrins

Origin of Pyrethrin

  • pyrethr(um) –in

    From American Heritage Dictionary of the English Language, 5th Edition

Advertisement

Find Similar Words

Find similar words to pyrethrin using the buttons below.

Words Starting With

Words Ending With

Unscrambles

pyrethrin