permethrin

play
noun per·meth·rin \(ˌ)pər-ˈme-thrən\

Definition of permethrin

  1. :  a synthetic pyrethroid C21H20Cl2O3 used especially as an insecticide

Origin and Etymology of permethrin

per- + methyl + pyrethrin


First Known Use: 1975


Medical Dictionary

permethrin

play
noun per·meth·rin \pər-ˈmeth-rən\

Medical Definition of permethrin

  1. :  a synthetic pyrethroid pesticide C21H20Cl2O3 used especially against insects, ticks, and mites


Learn More about permethrin


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to link together in a series or chain

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!