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Từ điển Oxford Learners Wordfinder Dictionary
pyrethrum


noun
1. made of dried flower heads of pyrethrum plants
Hypernyms:
insecticide, insect powder
2. 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
Syn:
painted daisy, Tanacetum coccineum, Chrysanthemum coccineum
Hypernyms:
flower
Member Holonyms:
Tanacetum, genus Tanacetum
3. white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below;
source of an insecticide;
sometimes placed in genus Chrysanthemum
Syn:
Dalmatian pyrethrum, Dalmatia pyrethrum, Tanacetum cinerariifolium, Chrysanthemum cinerariifolium
Hypernyms:
herb, herbaceous plant
Member Holonyms:
Tanacetum, genus Tanacetum

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