Pyrethrum
Word | PYRETHRUM |
Character | 9 |
Hyphenation | N/A |
Pronunciations | /paɪˈɹiθɹəm/ |
Definitions and meanings of "Pyrethrum"
What do we mean by pyrethrum?
A Eurasian perennial plant (Tanacetum coccineum) in the composite family, cultivated for its colorful flower heads and formerly used as a source of an insecticide. noun
A closely related perennial plant (Tanacetum cinerariifolium), commercially cultivated as the source of an insecticide. noun
An insecticide made from the dried flower heads of any of these plants. noun
A plant of the genus Pyrethrum; feverfew. noun
capitalized A former genus of composite plants of the tribe Anthemideæ, now included as part of the section Pyrethra in the genus Chrysanthemum, from which it was distinguished by achenes nearly equally from five- to ten-ribbed and crowned with a pappus, characters now known to vary in the same species. noun
A powdered preparation of pyrethrum, used as an insectifuge. Also called pyrethrum-powder. See insect-powder and buhach. noun
In pharmacy, the Anacyclus Pyrethrum, or pellitory-of-Spain. noun
Any of several perennial African plants of the genus Chrysanthemum, especially Chrysanthemum cinerariaefolium noun
Any of several insecticides obtained from these plants; pyrethrin noun
Made of dried flower heads of pyrethrum plants noun
White-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum noun
Used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum noun
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 noun
Any of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium.
Anacyclus pyrethrum (pellitory of Spain)
Any of several insecticides obtained from these plants; pyrethrin.
Synonyms and Antonyms for Pyrethrum
- Synonyms for pyrethrum
- Pyrethrum synonyms not found!!!
- Antonyms for pyrethrum
- Pyrethrum antonyms not found!
The word "pyrethrum" in example sentences
Cross Reference for Pyrethrum
- Pyrethrum cross reference not found!
What does pyrethrum mean?
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