Is “Cryogen” a Scrabble word?
Yes
CRYOGEN
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 Cryogen
noun
1.A cryogenic liquid (that boils below about -160°C) used as a refrigerant