Is “Extensometer” a Scrabble word?
Yes
EXTENSOMETER
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 Extensometer
noun
1.An electromechanical device for measuring changes in length of an object undergoing stress.