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.
It is hoped that once the technology is developed further it could be used to prevent infections in the weeks after surgery, via periodic applications of near-infrared light. Ben Coxworth, New Atlas, 30 Oct. 2024 As a general rule of thumb, near-infrared light is considered deeply-penetrating and anti-inflammatory, red is associated with collagen and elastin production, while blue is used for breakouts, just to name a few. Jessica Ourisman, Forbes, 9 Sep. 2024 Sunlight is composed of near-infrared light (which is invisible and accounts for 50% of sunlight); visible light (which includes red light); and ultraviolet light. Jamie Friedlander Serrano, TIME, 13 Aug. 2024 Like other silicone masks, this one fits snugly to the face for better light penetration and harnesses the power of 132 bulbs capable of emitting both red and near-infrared light therapy to stimulate collagen production, calm redness, and speed up skin rejuvenation. Macaela MacKenzie, Glamour, 8 Aug. 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 22 Nov. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!