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
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Other devices emit near-infrared light, around 700 or more nanometers, which can promote wound healing and reduce chronic inflammation, Dr. Sanan said. Melinda Wenner Moyer, New York Times, 20 Jan. 2025 Type: Laser Specs: FDA-cleared, near-infrared 500mW laser technology How to Use: Use the laser to spot-treat areas of the face and neck by gliding it over a particular area for three minutes at a time. Kiana Murden, Vogue, 20 Jan. 2025 That’s partly because its spectra in starlight cannot be seen in the optical wavelength, but only in the near-infrared or the ultraviolet. Bruce Dorminey, Forbes, 20 Jan. 2025 After traveling for many billions of years, light shifts into the near-infrared or infrared wavelengths, which are the wavelengths the JWST is designed to see. Robert Lea, Space.com, 15 Jan. 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

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 1 Feb. 2025.

Last Updated: - Updated example sentences
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