Is “Oscillograph” a Scrabble word?
Yes
OSCILLOGRAPH
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 Oscillograph
noun
1.An instrument for measuring alternating or varying electric current in terms of current and voltage; an oscilloscope.