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

For example, state-of-the-art photoelectrochemical Raman measurements, in situ electron resonance spectroscopy, and operando photoelectron spectroscopy were used to verify the computational results, according to a press release. —Prabhat Ranjan Mishra, Interesting Engineering, 15 Mar. 2026

Using a technique called spectroscopy, this principle can be applied to light from gas clouds, revealing whether the gas is moving toward or away from Earth, and how fast. —Asuka Koda, CNN Money, 5 Mar. 2026

Using a technique called proton magnetic resonance spectroscopy (1H-MRS), scientists can measure brain chemicals in real time. —Lauren Manaker, SELF, 5 Mar. 2026

That requires deep spectroscopy, which will not be easy to acquire. —Big Think, 3 Mar. 2026

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)