Of or concerning the number of hidden radiation wavelengths from about 750 nanometers, only more than purple into the noticeable spectrum, to 1 millimeter, on border of this microwave area.
Generating, using, or responsive to infrared radiation.
Having the wavelength in the infrared.
Lying outside of the noticeable spectrum at its purple end; -- stated of rays having a lengthier wavelength (and therefore less refrangible) as compared to severe purple rays, particularly those electromagnetic waves having a wavelength of between 700 nanometers and 1 millimeter.
regarding, using, or making infrared radiation.
impacted by infrared radiation.
having or using wavelengths longer than light but reduced than radio waves; lying outside of the visible spectrum at its purple end