spectroscopy

noun

spec·​tros·​co·​py spek-ˈträ-skə-pē How to pronounce spectroscopy (audio)
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 The question remains as to whether NMR spectroscopy is a blessing or a curse for gin distilleries. Eve Thomas, WIRED, 3 Apr. 2024 Researchers were eventually able to use functional near-infrared spectroscopy (fNIRS), which measures the activity of neurons in the outer layers of the cortex. Quanta Magazine, 28 Mar. 2024 Today spectroscopy is the bedrock of modern astronomy. Paul M. Sutter, Scientific American, 15 Feb. 2024 Within two seconds, the device can identify any residual contaminant on the hands and wrist using light fluorescence spectroscopy, an imaging technology already used in healthcare that utilizes safe non-UV LED lights. Parija Kavilanz, CNN, 8 Mar. 2024 Janssen’s Eclipse By the mid-1800s chemists, physicists and astronomers alike were aflutter over the newfound technique of spectroscopy, in which splitting light into a rainbowlike spectrum of its constituent colors could reveal a source’s elemental composition. Paul M. Sutter, Scientific American, 15 Feb. 2024 Today: Archaeologists relied on chemical clues and techniques like FTIR spectroscopy and archaeomagnetic analysis to reconstruct the burning of Jerusalem by Babylonian forces around 586 BCE. Jennifer Ouellette, Ars Technica, 31 Dec. 2023 Observing in both visible and near-infrared light, Euclid will not only image galaxies but also precisely measure the age of about 30 million of them by picking apart their light in a technique called spectroscopy. Jonathan O'Callaghan, Scientific American, 30 June 2023 Astronomers had just begun using prisms to investigate spectroscopy, splitting the sun's light into its component colors to study the star's chemical makeup. Rebecca Boyle, Scientific American, 20 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'spectroscopy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1869, in the meaning defined at sense 1

Time Traveler
The first known use of spectroscopy was in 1869

Dictionary Entries Near spectroscopy

Cite this Entry

“Spectroscopy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectroscopy. Accessed 15 Apr. 2024.

Medical Definition

spectroscopy

noun
spec·​tros·​co·​py spek-ˈträs-kə-pē How to pronounce spectroscopy (audio)
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)

More from Merriam-Webster on spectroscopy

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