noun
definition
Any of a number of naturally occurring insecticides extracted from the pyrethrum plant; unusual in having a cyclopropane ring.
Examples of pyrethrin in a Sentence
Their bed bug insecticide spray is an oil-based (pyrethrin) product.
Many of these products contain an insecticide called pyrethrin.
Pyrethrin is a natural product, made from chrysanthemum plants native to Asia and Africa.
The advantage of these types of products is that pyrethrin has a residual effect.
You cannot use the synthetic form of pyrethrin called permethrin on cats.
Like pyrethrin, many of these products treat other conditions in addition to ear mites.
Organic products may contain an ingredient called pyrethrin, derived from a type of African chrysanthemum.
In addition to pyrethrin, you will find other products containing plant extracts or essential oils which have insecticide properties.
Permethrin (1%)(Nix) is a more stable synthetic pyrethrin.
Pyrethrin, pyrethroid-A naturally occurring insecticide extracted from chrysanthemum flowers.