noun Date: 1943 an instrumental method for identifying the chemical constitution of a substance by means of the separation of gaseous ions according to their differing mass and charge, mass spectrometric adjective mass spectrometer noun
MASS SPECTROMETRY
Meaning of MASS SPECTROMETRY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012