Is “Superfluidity” a Scrabble word?
Yes
SUPERFLUIDITY
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 Superfluidity
noun
1.The frictionless flow that is characteristic of a fluid with zero viscosity, especially liquid helium at temperatures near absolute zero.