Is “Spectrograph” a Scrabble word?
Yes
SPECTROGRAPH
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 Spectrograph
/ˈspɛktɹəˌɡɹæf/
noun
1.A machine for recording spectra, producing spectrograms.