pyrethroid
[ pahy-ree-throid, -reth-roid ]
/ paɪˈri θrɔɪd, -ˈrɛθ rɔɪd /
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
Words nearby pyrethroid
pyrenean mountain dog,
pyrenees,
pyrenocarp,
pyrenoid,
pyrethrin,
pyrethroid,
pyrethrum,
pyretic,
pyreto-,
pyretogenesis,
pyretogenic
British Dictionary definitions for pyrethroid
pyrethroid
/ (paɪˈriːθrɔɪd) /
noun
any of various chemical compounds having similar insecticidal properties to pyrethrin
adjective
of or relating to such compounds