资料来源 : pyDict

光谱本底; 光谱测声器

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.