Dictionary Home »
Dictionary Definitions » infrared
infrared
The definition of infrared is light rays which are longer than light but shorter than radio waves.
(noun)- Electromagnetic radiation with a wavelength between .7 and 300 micrometres is an example of infrared.
- A camera that can detect these wavelengths is an example of a camera that reads infrared.
YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
See infrared in Webster's New World College Dictionary
adjective
designating or of those invisible rays just beyond the red end of the visible spectrum: their waves are longer than those of the spectrum colors but shorter than radio waves, and have a penetrating heating effect: used in cooking, photography, etc.
See infrared in American Heritage Dictionary 4
adjective Abbr. IR
- Of or relating to the range of invisible radiation wavelengths from about 750 nanometers, just longer than red in the visible spectrum, to 1 millimeter, on the border of the microwave region.
- Generating, using, or sensitive to infrared radiation.
Infrared light or the infrared part of the spectrum.
Learn more about infrared
