Is “Coolant” a Scrabble word?
Yes
COOLANT
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 Coolant
/ˈkuːlənt/
noun
1.A medium, usually fluid, used to draw heat from an object.
“Coolant is used in car engines and industrial processes, where excess heat could cause machine damage.”