pyrethrum
pronunciation
How to pronounce pyrethrum in British English:
UK [paɪˈriːθrəm]
How to pronounce pyrethrum in American English:
US [ paɪˈriːθrəm]
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- Noun:
- made of dried flower heads of pyrethrum plants
- white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum