noun
- Natural insecticidal compounds extracted from chrysanthemum flowers, used in pesticides and insect repellents.
Usage: Usually used in plural form; Technical/scientific term
Examples
- Pyrethrins are commonly used in organic farming as a natural pesticide.
- The insect spray contains pyrethrins derived from chrysanthemum plants.
- Many gardeners prefer pyrethrins because they break down quickly in sunlight.
- Pyrethrins are effective against a wide range of garden pests including aphids and beetles.
- The safety profile of pyrethrins makes them popular for household insect control.