Definitions for pyrethrin
pyrethrin
py·re·thrin
Spelling: [pahy-ree-thrin, -reth-rin]
IPA: /paɪˈri θrɪn, -ˈrɛθ rɪn/
Pyrethrin is a 9 letter English word.
It's valid Words with friends word worth 17 points.
You can make 275 anagrams from letters in pyrethrin (ehinprrty).
Definitions for pyrethrin
noun
-
Also called pyrethrin I. a viscous, water-insoluble liquid, C 21 H 28 O 3 , extracted from pyrethrum flowers, used as an insecticide.
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Also called pyrethrin II. a like compound, C 22 H 28 O 5 , obtained and used similarly.
Origin of pyrethrin
First recorded in 1830-40; pyrethr(um) + -in2