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mass spectrometer
noun
, Physics.
- a device for identifying the kinds of particles present in a given substance: the particles are ionized and beamed through an electromagnetic field and the manner in which they are deflected is indicative of their mass and, thus, their identity.
mass spectrometer
noun
- an analytical instrument in which ions, produced from a sample, are separated by electric or magnetic fields according to their ratios of charge to mass. A record is produced ( mass spectrum ) of the types of ion present and their relative amounts
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Word History and Origins
Origin of mass spectrometer1
First recorded in 1930–35
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