pyrethrum

名词 n.
中文释义
美 /paɪˈɹiθɹəm/

英文释义

名词 n.
  1. Any of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium. countable,uncountable
    — A common beverage credited with aphrodisiac virtue was old wine containing the pungent root of the plant pyrethrum or pellitory.
  2. Anacyclus pyrethrum (pellitory of Spain) countable,uncountable
  3. Any of several insecticides obtained from these plants; pyrethrin. countable,uncountable

词形变化

pyrethrums plural

词源

From Old English pyretre, from (and later reformed after) Latin pyrethrum (in Pliny), from Hellenistic Ancient Greek πύρεθρον (púrethron).
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