Dictionary.com
definitions
  • synonyms

near-infrared radiation

[neer-in-fruh-red]
noun
  1. the shorter wavelengths of electromagnetic radiation in the infrared region of the spectrum, extending from about 0.75 to 2.5 micrometers, usually radiation reflected from plant materials.
Show More
Also called near-red radiation [neer-red] /ˈnɪərˈrɛd/, solar infrared radiation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018