permethrin
/pəˈmiːθrɪn
/noun [mass noun]
A synthetic insecticide of the pyrethroid class, used chiefly against disease-carrying insects.Pyrethrins and permethrin have a similar mode of activity....
- Common treatments for head lice include permethrin and lindane.
- Spray your clothing with permethrin insecticide spray.
Origin
1970s: from per- (sense 2) + (res)methrin, denoting a synthetic pyrethroid.
- inversion layer
- inversion temperature
- inversive
- invert
- invertase
- invertebrate
- inverted comma
- inverted pendulum
- inverted snob
- inverted snobbery
- inverter
- invertibility
- invertible
- invert sugar
- invest
- investable
- investible
- investigable
- investigate
- investigation
- investigational
- investigative
- investigator
- investigatory
- investiture