pyrethrum
/pai'ri:θrәm/
📖 中文释义
- n. [植]除虫菊, [药]除虫菊杀虫剂
🔗 释义中的汉语词
🧩 词形变化
复数 pyrethrums
📘 English Definition（英文释义）
- n made of dried flower heads of pyrethrum plants
- n white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- n 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
- n used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum