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.
Red light therapy can help stimulate collagen production to reduce fine lines and wrinkles and near-infrared light therapy restores and can rejuvenate skin for a more radiant complexion. Nora Colomer, Fox News, 29 Nov. 2024 The mask works by emitting red and near-infrared light, which penetrates deeply into the skin to stimulate collagen production and improve texture. Sandra Rose Salathe, Flow Space, 26 Nov. 2024 There are two primary types: red light therapy utilizes near-infrared light and can help with wrinkles, while blue light therapy uses wavelengths of blue light to help kill acne-causing bacteria. Nena Farrell, WIRED, 23 Nov. 2024 Locating the Lyman break requires imaging with a spectrograph, which can sample the full spectrum of near-infrared light. John Timmer, Ars Technica, 31 July 2024 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

Dictionary Entries Near near-infrared

Cite this Entry

“Near-infrared.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/near-infrared. Accessed 23 Dec. 2024.

Last Updated: - Updated example sentences
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