2 definitions found From WordNet (r) 2.0 [wn]: spectrogram noun: a photographic record of a spectrum [syn: {spectrograph}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Spectrogram \Spec"tro*gram\, noun [Spectrum + -gram.] (Physics) A photograph, map, or diagram of a spectrum. [Webster 1913 Suppl.]

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