Pyrethroid
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any of several synthetic insecticides having a structure based on pyrethrin.
Example
More examples"Bed nets treated with inexpensive pyrethroid insecticides are the main defense against biting, malaria-carrying mosquitoes, and they have significantly cut down on the number of cases. The World Health Organization reports malaria infected an estimated 212 million people in 2015, killing some 429,000 of them."
Etymology
From pyrethrin + -oid.
More for "pyrethroid"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.