Is “Niter” a Scrabble word?
Yes
NITER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Niter
noun
1.Native sodium carbonate; natron.
2.A mineral form of potassium nitrate (saltpetre) used in making gunpowder.