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mass spectrograph

noun Physics.
  1. a mass spectroscope for recording a mass spectrum on a photographic plate.

Origin of mass spectrograph

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mass spectrograph

mass spectrograph

noun
  1. a mass spectrometer that produces a photographic record of the mass spectrum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012