near-infrared
adjective
near-in·fra·red
ˌnir-ˌin-frə-ˈred 
-(ˌ)frä-
: of or relating to the shorter wavelengths of radiation in the infrared spectrum and especially to those between 0.7 and 2.5 micrometers
Examples of near-infrared in a Sentence
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The pacemaker responds to near-infrared light—wavelengths that can penetrate deeply into biological tissues.
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Payal Dhar, Scientific American, 2 Apr. 2025
This detailed information primarily spans the visible spectrum and often extends into near-infrared and near-ultraviolet regions crucial for simulating how materials interact with light accurately.
—ArsTechnica, 28 Mar. 2025
This uses a near-infrared light of 830nm wavelength, positioned over the person’s thumb.
—Andrew Williams, Forbes, 25 Mar. 2025
Euclid Telescope Explores Deep Fields The Euclid telescope, launched in 2023, is equipped to create the largest 3D map of the universe to date by observing optical and near-infrared light.
—Jack Knudson, Discover Magazine, 19 Mar. 2025
See All Example Sentences for near-infrared
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Payal Dhar, Scientific American, 2 Apr. 2025
This detailed information primarily spans the visible spectrum and often extends into near-infrared and near-ultraviolet regions crucial for simulating how materials interact with light accurately.
—ArsTechnica, 28 Mar. 2025
This uses a near-infrared light of 830nm wavelength, positioned over the person’s thumb.
—Andrew Williams, Forbes, 25 Mar. 2025
Euclid Telescope Explores Deep Fields The Euclid telescope, launched in 2023, is equipped to create the largest 3D map of the universe to date by observing optical and near-infrared light.
—Jack Knudson, Discover Magazine, 19 Mar. 2025
See All Example Sentences for near-infrared
Cite this Entry
“Near-infrared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/near-infrared. Accessed 24 Apr. 2025.
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