"Pyrethrin" validity in different word game dictionaries
| Dictionary | Validity |
|---|---|
| Scrabble US(US/Canada/Thailand - TWL/NWL) | Yes |
| Scrabble UK(International - SOWPODS/CSW) | Yes |
| Words with Friends(WWF) | Yes |
"pyrethrin" Definition
- either of two oily liquid esters C21H28O3 and C22H28O5 having insecticidal properties and occurring especially in the flowers of pyrethrum