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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

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