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

Using two scientific techniques — called Fourier-transform infrared spectroscopy and gas chromatography-mass spectrometry — the researchers were able to measure how much infrared light the beads absorbed, which revealed their chemical makeup, according to the study. —Irene Wright, Miami Herald, 30 Jan. 2025

Infrared spectroscopy and simulated friction tests revealed that the composites containing 3 percent and 5 percent zirconia nanoparticles were the most slip-resistant. —Jennifer Ouellette, Ars Technica, 4 Feb. 2025

So, when the planet's insides are on the outside, spectroscopy offers a clever way to see within terrestrial worlds. —Robert Lea, Space.com, 17 Jan. 2025

Functional near-infrared spectroscopy, or fNIRS, measures changes in metabolic activity. —Paul Brandt-Rauf, The Conversation, 7 Jan. 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)