Light with
wavelength from 800 nanometers to 1 millimiter.
Detailed Definition:
Electromagnetic
radiation with wavelengths ranging from 800 nanometers to one millimeter. It is
next to the red end of the visible spectrum, hereby the name. Also called IR, it
is a kind of electromagnetic radiation that has qualities like both a wave and
a particle, the photon, and propagates energy and momentum as well as exerting
radiation pressure.
Etymology:
Infrared comes from Latin: infra, which means below.
Sample Sentence(s):
To keep an eye on
workplace activities, they used infrared cameras.
Without
disturbing the bats, an infrared camera records them.
Translations of
Terms/Concepts into Partner Languages
