Noun spectrograph has 2 senses
  1. spectrograph - a spectroscope by which spectra can be photographed
    --1 is a kind of
    spectroscope, prism spectroscope
    --1 has particulars: sound spectrograph
  2. spectrogram, spectrograph - a photographic record of a spectrum
    --2 is a kind of photograph, photo, exposure, pic
    --2 has particulars: visible speech
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