Meanings
nounnear infrared (uncountable)
- in compoundsoftenuncountablenatural sciencesInfrared light closest in wavelength to visible light, from .7–1.4 µm.
Because the near infrared is not as well suited to qualitative determinations as is the mid infrared, most modern NIRA instruments have centered on quantitative applications.
1984, David E. Honigs, Improvements of the Near-infrared Diffuse-reflectance Technique, Indiana University, page 19
Translations
German Nahinfrarot
- Nahinfrarotinfrared light near visible light
Japanese 近赤外線
- 近赤外線 (kinsekigaisen)infrared light near visible light
Spanish infrarrojo cercano
- infrarrojo cercanoinfrared light near visible light
Cite this entry
APA
near infrared. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/near%20infrared
MLA
“near infrared.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/near%20infrared. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “near infrared,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/near%20infrared.
Source: near infrared on Wiktionary, CC BY-SA 4.0.