'Spectrograph' definitions:

Definition of 'spectrograph'

From: WordNet
noun
A spectroscope by which spectra can be photographed
noun
A photographic record of a spectrum [syn: spectrogram, spectrograph]

Definition of 'Spectrograph'

From: GCIDE
  • Spectrograph \Spec"tro*graph\, n. [Spectrum + graph.] (Physics) (a) An apparatus for photographing or mapping a spectrum. (b) A photograph or picture of a spectrum. -- {Spec`tro*graph"ic}, a. -- {Spec`tro*graph"ic*al*ly}, adv. -- {Spec*trog"ra*phy}, n. [Webster 1913 Suppl.]

Synonyms of 'spectrograph'

From: Moby Thesaurus