pyrethrum
/pai'ri:θrəm/
Biến thể từ
pyrethrums số nhiều
Nghĩa đầy đủ · từ điển Anh–Việt
pyrethrum
/pai'ri:θrəm/
danh từ
- (thực vật học) cây cúc trừ sâu
Định nghĩa tiếng Anh
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