Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

resmethrin

play
noun res·meth·rin \(ˌ)rez-ˈmeth-rin, -ˈmēth-\

Definition of resmethrin

  1. :  a nonpersistent synthetic insecticide C22H26O3 that is a derivative of pyrethrin and is used in aerosols



Origin of resmethrin

res- (probably transposed from ester) + -methrin, blend of methyl and -ethrin (as in pyrethrin)


First Known Use: 1971


Seen and Heard

What made you want to look up resmethrin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 6, 2016

an official order, decree, or edict

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders duvet pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ