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There are 6 words containing PYRETHR
| PYRETHRIN | • pyrethrin n. (Organic chemistry) Any of a number of naturally occurring insecticides extracted from the pyrethrum… • PYRETHRIN n. either of two insecticidal oily esters prepared from pyrethrum flowers. |
| PYRETHRUM | • pyrethrum n. Any of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium. • pyrethrum n. Anacyclus pyrethrum (pellitory of Spain). • pyrethrum n. (Organic chemistry) Any of several insecticides obtained from these plants; pyrethrin. |
| PYRETHRINS | • pyrethrins n. Plural of pyrethrin. • PYRETHRIN n. either of two insecticidal oily esters prepared from pyrethrum flowers. |
| PYRETHROID | • pyrethroid n. (Organic chemistry) Any of several synthetic insecticides having a structure based on pyrethrin. • PYRETHROID n. any of various synthetic compounds related to the pyrethrins, and sharing their insecticidal properties. |
| PYRETHRUMS | • pyrethrums n. Plural of pyrethrum. • PYRETHRUM n. a name still applied to various garden flowers, esp. varieties of Chrysanthemum. |
| PYRETHROIDS | • pyrethroids n. Plural of pyrethroid. • PYRETHROID n. any of various synthetic compounds related to the pyrethrins, and sharing their insecticidal properties. |
Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.
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See this list for:
- English Wiktionary: 12 words
- Scrabble in French: 4 words
- Scrabble in Spanish: no word
- Scrabble in Italian: no word
- Scrabble in German: 2 words
- Scrabble in Romanian: no word
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