near-infrared radiation

[ neer-in-fruh-redrey-dee-ey-shuhn ]

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.

Origin of near-infrared radiation

1
First recorded in 1940–45
  • Also called near-red ra·di·a·tion [neer-redrey-dee-ey-shuhn], /ˈnɪərˈrɛd reɪ diˌeɪ ʃən/, so·lar in·fra·red ra·di·a·tion [soh-ler] /ˈsoʊ lər/ .

Words Nearby near-infrared radiation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024