Definition of Mass spectrometry
Mass spectrometry: A process used to identify chemicals in a substance by their mass and charge. Mass spectrometers are instruments that measure mass and charge of molecules. A mass spectrometer also can determine how much of a compound is present in a mixture. Also known as mass spectroscopy. See also: Tandem mass spectrometry.
Last Editorial Review: 10/8/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Get the latest health and medical information delivered direct to your inbox FREE!