Spectrophone

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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.]