PYRETHRUM


Meaning of PYRETHRUM in English

n.1 any of several aromatic chrysanthemums of the genus Tanacetum, esp. T. coccineum.

2 an insecticide made from the dried flowers of these plants, esp. Tanacetum cinerariifolium.

Etymology: L f. Gk purethron feverfew

Oxford English vocab.      Оксфордский английский словарь.