"Grivation" validity in different word game dictionaries
| Dictionary | Validity |
|---|---|
| Scrabble US(US/Canada/Thailand - TWL/NWL) | No |
| Scrabble UK(International - SOWPODS/CSW) | Yes |
| Words with Friends(WWF) | No |
"grivation" Definition
- the angle between north as indicated by a grid on a map and magnetic north at any point