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

Recent Examples on the Web

More specifically, 132 LEDs across two light wavelengths—red (633nm) and near-infrared (830nm), light wavelengths apt for skin rejuvenation—power the device, targeting fine lines and wrinkles, dark spots, and redness in just a 10-minute treatment. —Kiana Murden, Vogue, 1 July 2025

The instrument is an ultraviolet, visible, near-infrared light (UVN) spectrometer, which will monitor air quality over Europe and North Africa every hour, according to ESA officials. —Mike Wall, Space.com, 1 July 2025

Behind the robot, a screen shows near-infrared and 3D imaging side by side. —IEEE Spectrum, 21 May 2025

Developed over more than a decade, its suite of six optical filters enables astronomers to peer across the entire electromagnetic spectrum, from ultraviolet to near-infrared. —Jamie Carter, Forbes.com, 23 June 2025

Word History

First Known Use

1950, in the meaning defined above

Rhymes for near-infrared

• abed
• ahead
• beachhead
• bedspread
• bedstead
• behead
• blackhead
• blockhead
• bloodshed
• bowhead
• breastfed
• bridgehead