Is “Irising” a Scrabble word?
Yes
IRISING
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 Irising
verb
1.(of an aperture, lens or door) To open or close in the manner of an iris.