Definition of mass spectrograph in English:

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mass spectrograph

Pronunciation: /ˈˌmas ˈspektrəˌɡraf/


A mass spectrometer in which the particles are detected photographically.
Example sentences
  • Infrared spectra and mass spectrographs of organic compounds are typically very detailed, offering a unique ‘fingerprint’ that can be used to identify the presence of the compound.
  • Within two decades of inventing the mass spectrograph, he succeeded in identifying 212 of the 281 naturally occurring isotopes of all the elements.
  • A clear additional line on the photographic plate from the mass spectrograph indicated an enrichment of Pb - 207 that could only mean the occurrence of another uranium-lead decay pathway - the so-called actinium series.

For editors and proofreaders

Syllabification: mass spec·tro·graph

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