spectrograph
n. வண்ணப்பட்டை நிழற்பதிவுக்கருவி.
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.