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
Recent Examples on the Web
The brand pairs red and near-infrared light for aging concerns and blue light for breakouts.
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Christa Joanna Lee, Allure, 8 Dec. 2025
In this instance, scientists used a device that shined near-infrared and visible light on organic tissues.
—Andrew Paul, Popular Science, 3 Dec. 2025
There's just one mode but three wavelengths: (red) 633, (near-infrared) 830, and (deep near-infrared) 1072 nanometers.
—Boutayna Chokrane, Wired News, 30 Nov. 2025
In general, darker plastic materials are harder to recycle because sorting machines use near-infrared light to identify plastics.
—Denise Chow, NBC news, 27 Nov. 2025
See All Example Sentences for near-infrared
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Christa Joanna Lee, Allure, 8 Dec. 2025
In this instance, scientists used a device that shined near-infrared and visible light on organic tissues.
—Andrew Paul, Popular Science, 3 Dec. 2025
There's just one mode but three wavelengths: (red) 633, (near-infrared) 830, and (deep near-infrared) 1072 nanometers.
—Boutayna Chokrane, Wired News, 30 Nov. 2025
In general, darker plastic materials are harder to recycle because sorting machines use near-infrared light to identify plastics.
—Denise Chow, NBC news, 27 Nov. 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 16 Dec. 2025.
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