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.