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Definition of "mass spectrograph" []

  • An instrument used to determine the masses of atoms or molecules, in which a beam of charged particles is passed through an electromagnetic field that separates particles of different masses. The resulting distribution or spectrum of masses is recorded on a photographic plate. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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