infrared radiation
[ (in-fruh-red) ]
Invisible radiation in the part of the electromagnetic spectrum characterized by wavelengths just longer than those of ordinary visible red light and shorter than those of microwaves or radio waves. (Compare ultraviolet radiation.)
notes for infrared radiation
The
heat we feel from a glowing coal or an incandescent light bulb is from infrared rays.
Words nearby infrared radiation
infrared,
infrared astronomy,
infrared galaxy,
infrared microscope,
infrared photography,
infrared radiation,
infrared star,
infrared telescope,
infrasonic,
infrasonics,
infrasound