far-infrared radiation
[ fahr-in-fruh-red ]
/ ˈfɑr ɪn frəˈrɛd /
noun
the longer wavelengths of electromagnetic radiation in the infrared region of the spectrum, beyond the red end of the visible spectrum, from 50 to 1000 micrometers. Abbreviation: FIR
Also called
far-red radiation
[fahr-red] /ˈfɑrˈrɛd/.
Words nearby far-infrared radiation
far-and-near suture,
far-famed,
far-fetched,
far-flung,
far-gone,
far-infrared radiation,
far-off,
far-out,
far-point,
far-reaching,
far-seeing
Scientific definitions for far-infrared radiation
far-infrared radiation
[ fär′ĭn′frə-rĕd′ ]
Infrared electromagnetic radiation of very long wavelengths, in the range of 2-50 microns. It is used in medicine to provide a penetrating heat to the body. Also called far-red radiation