mass spectrograph

noun

Definition of mass spectrograph 

: an instrument used to separate and often to determine the masses of isotopes

First Known Use of mass spectrograph

1920, in the meaning defined above

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The first known use of mass spectrograph was in 1920

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mass spectrograph

noun

Medical Definition of mass spectrograph 

: an instrument used to separate and often to determine the masses of isotopes

More from Merriam-Webster on mass spectrograph

Britannica.com: Encyclopedia article about mass spectrograph

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