Found 2 items, similar to infrared.
English → English (WordNet) Definition: infrared infrared adj : having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; “infrared radiation”; “infrared photography” infrared n 1: the infrared part of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; “they could sense radiation in the infrared” [syn: infrared frequency] 2: electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves [syn: infrared light , infrared radiation, infrared emission]
English → English (gcide) Definition: Infrared Infrared \In`fra*red"\, Infra-red \In`fra-red"\, a. [Infra- + red.] 1. (Physics) Lying outside the visible spectrum at its red end; -- said of rays having a longer wavelength (and thus less refrangible) than the extreme red rays, specifically those electromagnetic waves having a wavelength of between 700 nanometers and 1 millimeter. [Webster 1913 Suppl. +PJC] 2. relating to, using, or producing infrared radiation. [PJC] 3. affected by infrared radiation; as, infrared detector; infrared film. [PJC]