near-infrared

adjective

near-in·​fra·​red ˌnir-ˌin-frə-ˈred How to pronounce near-infrared (audio)
-(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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The swap expanded the telescope's vision into near-infrared wavelengths. Josh Dinner, Space.com, 22 Apr. 2025 The Laser Pro uses near-infrared cold laser technology to boost collagen production to address wrinkles, cellulite, redness, scarring, hyperpigmentation, and post-surgical recovery. Julian Chokkattu, Wired News, 19 Apr. 2025 With a price tag of $5,995, the new device received FDA clearance in February of this year, and utilizes the power of three 500mW near-infrared lasers. Tanya Akim, Forbes.com, 16 Apr. 2025 The pacemaker responds to near-infrared light—wavelengths that can penetrate deeply into biological tissues. Payal Dhar, Scientific American, 2 Apr. 2025 See All Example Sentences for near-infrared

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of near-infrared was in 1950

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Cite this Entry

“Near-infrared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/near-infrared. Accessed 2 May. 2025.

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