Is “Crystal” a Scrabble word?
Yes
CRYSTAL
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 Crystal
/ˈkɹɪstəl/
noun
1.A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions.
2.A piece of glimmering, shining mineral resembling ice or glass.
3.A fine type of glassware, or the material used to make it.
Synonyms: grain
adjective
1.Very clear.
“"Do I make myself clear?" / "Crystal."”