Is “Expansivity” a Scrabble word?
Yes
EXPANSIVITY
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 Expansivity
noun
1.Expansiveness
2.The formal notion of points moving away from one another under the action of an iterated function.