'Spectrography' definitions:

Definition of 'Spectrography'

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.]