pyrethrum
Tanacetum cinerariifolium
Meaning
Noun
- Any of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium (species).
- Anacyclus pyrethrum (pellitory of Spain)
- Any of several insecticides obtained from these plants; pyrethrin.
Origin
- Old English peretreo, from (and later reformed after) Latin pyrethrum (in Pliny), from Hellenistic Ancient Greek πύρεθρον.
Modern English dictionary
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