As nouns the difference between spectrograph and spectroscopy
is that spectrograph is a machine for recording spectra, producing spectrograms while spectroscopy is (uncountable) the scientific study of spectra.
spectrograph
English
Noun
(
en noun)
A machine for recording spectra, producing spectrograms.
Related terms
* spectrography
* spectrographic
spectroscopy
Noun
(uncountable) The scientific study of spectra.
(analytical chemistry, countable) The use of spectrometers in chemical analysis.
Derived terms
* spectroscopist
Related terms
* spectroscope