Is “Keratinizing” a Scrabble word?
Yes
KERATINIZING
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 Keratinizing
verb
1.To convert into keratin.
2.To take on the appearance of keratin, or become impregnated with keratin.