We found 7 dictionaries that define the word mass spectrometers:

General (4 matching dictionaries)

1. mass spectrometers: Merriam-Webster
2. mass spectrometers: Collins English Dictionary
3. mass spectrometers: Wiktionary
4. Mass spectrometers: TheFreeDictionary.com

Computing (1 matching dictionary)

5. Mass spectrometers: Encyclopedia

Medicine (2 matching dictionaries)

6. mass spectrometers: Merriam-Webster Medical Dictionary
7. Mass spectrometers: Medical dictionary

(Note: See mass_spectrometer as well.)

Definitions from Wiktionary (mass spectrometer) ▸ noun:  A device used in mass spectrometry to discover the mass spectrum of a given substance. ▸ Also see mass_spectrometer ▸ Words similar to mass spectrometers ▸ Usage examples for mass spectrometers ▸ Idioms related to mass spectrometers ▸ Wikipedia articles (New!) ▸ Words that often appear near mass spectrometers ▸ Rhymes of mass spectrometers ▸ Invented words related to mass spectrometers