'Spectrophone' definitions:
Definition of 'Spectrophone'
From: GCIDE
- Spectrophone \Spec"tro*phone\, n. [Spectrum + Gr. ? sound.] An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope. -- {Spec`tro*phon"ic}, a. [Webster 1913 Suppl.]