"Porphyrin" 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 |
"porphyrin" Definition
- any of various compounds with a macrocyclic structure that consists essentially of four pyrrole rings joined by four =CH− groups