Advertisement

Advertisement

pyrethroid

[ pahy-ree-throid, -reth-roid ]

noun

, Chemistry.
  1. any of several synthetic compounds that are similar to but more persistent than natural pyrethrins.


pyrethroid

/ paɪˈriːθrɔɪd /

noun

  1. any of various chemical compounds having similar insecticidal properties to pyrethrin
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


adjective

  1. of or relating to such compounds
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Discover More

Word History and Origins

Origin of pyrethroid1

First recorded in 1950–55; pyrethr(in) + -oid

Advertisement

Advertisement

Advertisement

Advertisement


pyrethrinpyrethrum