Definition of mass spectrometer in English:

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mass spectrometer

noun

An apparatus for measuring the masses of isotopes, molecules, and molecular fragments by ionizing them and determining their trajectories in electric and magnetic fields.
Example sentences
  • The gas chromatograph separates the substances present, and then each substance is broken into molecular fragments by the mass spectrometer.
  • It may even carry an instrument like a mass spectrometer to measure material ejected from impact.
  • The emitted isotopes are focussed through a mass spectrometer and measured.

For editors and proofreaders

Line breaks: mass spec|trom¦eter

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