'mass spectroscopy' definitions:

Definition of 'mass spectroscopy'

(from WordNet)
noun
The use of spectroscopy to determine the masses of small electrically charged particles

Definition of 'mass spectroscopy'

From: GCIDE
  • mass spectrometry \mass spectrometry\ mass spectroscopy \mass spectroscopy\n.
  • 1. (Physics, Chemistry) A method for identifying chemical composition of substances by use of a mass spectrometer. [PJC]