spectrometer

noun

spec·​trom·​e·​ter spek-ˈträ-mə-tər 

1

: an instrument used for measuring wavelengths of light spectra

2

: any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to some property (such as mass or energy) of the emission and the amount of dispersion is measured

nuclear magnetic resonance spectrometer

spectrometric

ˌspek-trə-ˈme-trik 

adjective

spectrometry

spek-ˈträ-mə-trē 

noun

Examples of spectrometer in a Sentence

Recent Examples on the Web

Here's a brief look: NASA's Dragonfly nuclear helicopter To study Titan's atmosphere and surface, Dragonfly will have a variety of instruments, including a mass spectrometer, a drill system and a neutron spectrometer. —Janet Loehrke, USA Today, 12 May 2025

Astronomers used Webb's sophisticated infrared optics and spectrometers to pinpoint characteristics of the exoplanet. —Julia Jacobo, ABC News, 1 May 2025

This releases gases from the sample, which are then separated and studied by specialized sensors (in this case, a gas chromatograph and a mass spectrometer) that can identify the elements vital for life — carbon, nitrogen, oxygen, phosphorus and sulfur. —Keith Cooper, Space.com, 25 Mar. 2025

Canceling the tracker layer upgrade to the spectrometer would also not be catastrophic. —Eric Berger, ArsTechnica, 7 May 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1874, in the meaning defined at sense 1

Rhymes for spectrometer

• barometer
• bolometer
• chronometer
• geometer
• hydrometer
• hygrometer
• kilometer
• micrometer
• odometer
• photometer
• psychrometer
• pycnometer

Kids Definition

spectrometer

noun

spec·​trom·​e·​ter spek-ˈträm-ət-ər 

1

: an instrument for producing a spectrum

2

: an instrument that spreads particles or radiation into an ordered sequence (as by mass or energy)

Medical Definition

spectrometer

noun

spec·​trom·​e·​ter spek-ˈträm-ət-ər 

1

: an instrument used for measuring wavelengths of light spectra

2

: any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to some property (as mass or energy) of the emission and the amount of dispersion is measured

nuclear magnetic resonance spectrometer

spectrometric

ˌspek-trə-ˈme-trik 

adjective

spectrometry

spek-ˈträm-ə-trē 

noun

plural spectrometries