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

With spectroscopy, astronomers can look at a celestial object's light, pick out the fingerprints, and reconstruct the stuff inside. — Rahul Rao, Space.com, 14 Sep. 2026

The researchers identified the corrosion products on copper by Raman spectroscopy and X-ray diffraction. — Jacek Krywko, ArsTechnica, 31 Aug. 2026

MinTech’s diagnostic technology is based on electrochemical impedance spectroscopy, or EIS, along with proprietary diagnostic algorithms. — Neetika Walter, Interesting Engineering, 26 Aug. 2026

The team investigated the mechanism using in-situ Fourier-transform infrared spectroscopy and density functional theory calculations. — Alexandra Harrell, Footwear News, 26 Aug. 2026

Word History

First Known Use

1869, in the meaning defined at sense 1

Phrases Containing spectroscopy

• Auger electron spectroscopy

Rhymes for spectroscopy

• arthroscopy
• 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)