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

piperonyl butoxide

play
noun pi·per·o·nyl bu·tox·ide \pī-ˈper-ə-ˌnil-byu̇-ˈtäk-ˌsīd, -nəl-\

Definition of piperonyl butoxide

  1. :  an insecticide C19H30O5; especially :  an oily liquid containing this compound that is used chiefly as a synergist (as for pyrethrin insecticides)



Origin of piperonyl butoxide

piperonal + -yl + butyl + oxide


First Known Use: 1945


Medical Dictionary

piperonyl butoxide

play
noun pi·per·o·nyl bu·tox·ide \pī-ˈper-ə-ˌnil-byu̇-ˈtäk-ˌsīd, -ən-əl-\

Medical Definition of piperonyl butoxide

  1. :  an insecticide C19H30O5 that has the capacity to alter the pharmacological action of some drugs; also :  an oily liquid containing this compound that is used chiefly as a synergist (as for pyrethrum insecticides)




Learn More about piperonyl butoxide


Seen and Heard

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

WORD OF THE DAY

February 7, 2016

a slight offense

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?

spindrift pince-nez kittly-benders duvet
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