Pyrethrum

Pronunciation: /ˈpaɪɝˈtieɪtʃˈɹəm/

Pyrethrum (noun)

  1. A natural substance from certain flowers, used to kill or control insects, especially in sprays and powders.
  2. A product made from that substance, used to protect plants or homes from insects.

Examples

  • Pyrethrum is a plant insecticide used against many garden pests.
  • Many gardeners choose pyrethrum as a plant insecticide for safer control.