Found 2 items, similar to spectrographically.
English → English (WordNet) Definition: spectrographically spectrographically adv : by spectrographic means; “the speech spectrum was displayed spectrographically”
English → English (gcide) Definition: Spectrographically 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. [Webster 1913 Suppl.]