spectrograph
spect·rog·raph
noun
1.
a spectroscope by which spectra can be photographed
2.
a photographic record of a spectrum
Origin
From spectro- + -graph.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.