Medical Dictionary

pyrethroid

noun py·re·throid \pī-ˈrē-ˌthrid, -ˈreth-ˌrid\

Medical Definition of PYRETHROID

:  any of various synthetic compounds that are related to the pyrethrins and resemble them in insecticidal properties
pyrethroid adjective
April 18, 2015
wimple Hear it
to veil, ripple, or meander
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears