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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Blue light works to combat breakouts, red light encourages collagen production to improve skin texture, near-infrared light helps soothe inflammation, and yellow light supports a brighter, more even complexion.
—
Paul Lamkin, Forbes.com, 6 June 2025
Red light therapy, or photobiomodulation, uses wavelengths of red and near-infrared light to stimulate your body’s cellular activity.
—Sherri Gordon, Health, 3 June 2025
The authors previously were able to confer near-infrared vision to mice by injecting nanoparticles that bind to photoreceptors into their eyes—basically creating a near-infrared nanoantenna—but realized that most people would be averse to the prospect of sticking needles in their eyes.
—Jennifer Ouellette, ArsTechnica, 22 May 2025
Sam Cutler, a Ph.D. student in astronomy at the University of Massachusetts Amherst, has worked with Hubble data throughout his academic career, even contributing to the telescope’s widest near-infrared (NIR) image of the universe.
—Discover Magazine, 20 May 2025
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Paul Lamkin, Forbes.com, 6 June 2025
Red light therapy, or photobiomodulation, uses wavelengths of red and near-infrared light to stimulate your body’s cellular activity.
—Sherri Gordon, Health, 3 June 2025
The authors previously were able to confer near-infrared vision to mice by injecting nanoparticles that bind to photoreceptors into their eyes—basically creating a near-infrared nanoantenna—but realized that most people would be averse to the prospect of sticking needles in their eyes.
—Jennifer Ouellette, ArsTechnica, 22 May 2025
Sam Cutler, a Ph.D. student in astronomy at the University of Massachusetts Amherst, has worked with Hubble data throughout his academic career, even contributing to the telescope’s widest near-infrared (NIR) image of the universe.
—Discover Magazine, 20 May 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 19 Jun. 2025.
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