Is “Vulcanized” a Scrabble word?
Yes
VULCANIZED
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 Vulcanized
verb
1.To treat rubber with heat and (usually) sulphur to harden it and make it more durable.
2.To undergo such treatment.