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

Instead of blood tests, the scale utilizes something called bioimpedance spectroscopy (BIS) and foot sweat. —Victoria Song, The Verge, 5 Jan. 2026

This advanced microscope combines atomic-scale imaging with a technique known as cathodoluminescence (CL) spectroscopy. —Rupendra Brahambhatt, Interesting Engineering, 14 Dec. 2025

Imprint Analytics can authenticate cotton, food, cosmetics and pharmaceuticals using sequencing methods ranging from isotope-ratio mass spectrometryand gas chromatography-mass spectrometry to near-infrared spectroscopy. —Sarah Jones, Sourcing Journal, 18 Nov. 2025

Researchers analyzed these blood samples using nuclear magnetic resonance (NMR) spectroscopy, a highly precise method for studying blood metabolites — molecules that reflect how the body processes sugar, fat, and other nutrients. —Tom Gavin, EverydayHealth.com, 18 Nov. 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)