- an instrument used to determine the masses of small, electrically charged particles.
Origin of mass spectroscope
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- See under spectroscopy.
- See under spectroscope.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.