D defs.my
Entry 1 sense Webster, 1913

mass spectrometer

· IPA
01 n. An analytical instrument which determines the mass of molecules of a substance or fragments of its molecules. It functions by injecting io…
  1. 1.
    An analytical instrument which determines the mass of molecules of a substance or fragments of its molecules. It functions by injecting ionized moecules or molecular gragments into a vacuum chamber subjected to a strong magnetic field, in which charged particles move in a curved trajectory.(Physics, Chemistry)