pyrethroid

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

noun Chemistry.

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

Origin of pyrethroid

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pyrethroid

pyrethroid

noun

any of various chemical compounds having similar insecticidal properties to pyrethrin

adjective

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

pyrethroid

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}pyrethroid

pyrethroid

Origin of pyrethroid