spectroscopy

noun

spec·​tros·​co·​py spek-ˈträ-skə-pē 

1

: the process or technique of using a spectroscope or spectrometer

2

: the production and investigation of spectra

Examples of spectroscopy in a Sentence

Recent Examples on the Web

This technique, called functional near-infrared spectroscopy, or fNIRS, is considered complementary to EEG. —IEEE Spectrum, 15 July 2025

The samples were then subjected to a number of analysis techniques, including atom probe tomography, scanning-electron microscopy and energy dispersive X-ray spectroscopy. —Keith Cooper, Space.com, 17 June 2025

The team, writing in the journal Icarus, employed a combination of techniques and technologies, including scanning electron microscopy, energy-dispersive X-ray spectroscopy, atom probe tomography, and transmission electron microscopy. —Rosie McCall, Discover Magazine, 16 June 2025

Hyperspectral characterization of wastewater in the Tijuana River Estuary using laboratory, field, and EMIT satellite spectroscopy. —Soo Kim, MSNBC Newsweek, 13 June 2025

Word History

First Known Use

1869, in the meaning defined at sense 1

Phrases Containing spectroscopy

• Auger electron spectroscopy

Rhymes for spectroscopy

• arthroscopy
• colposcopy
• cystoscopy
• fluoroscopy
• colonoscopy
• laparoscopy

Medical Definition

spectroscopy

noun

spec·​tros·​co·​py spek-ˈträs-kə-pē 

plural spectroscopies

1

a

: the production and investigation of spectra

b

: the process or technique of using a spectroscope or spectrometer

2

: physics that deals with the theory and interpretation of interactions between matter and radiation (as electromagnetic radiation)