Is “Quintuplicating” a Scrabble word?
Yes
QUINTUPLICATING
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 Quintuplicating
verb
1.To multiply by five.
2.To make five copies of.