"Mascon" 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 |
"mascon" Definition
- any of the high-density regions below the surface of lunar maria that are held to perturb the motion of spacecraft in lunar orbit