- energy that is emitted or propagated in the form of particles or electromagnetic radiation. It is measured in joules
WordReference Random House Unabridged Dictionary of American English © 2026
ra′diant en′ergy, [Physics.]
- Physicsenergy transmitted in wave motion, esp. electromagnetic wave motion.
- Physicslight1 (def. 2a).
- 1910–15
Collins Concise English Dictionary © HarperCollins Publishers::
radiant energy n
'radiant energy' also found in these entries (note: many are not synonyms or translations):
bolometer
- radiation
- radiometer
- sun
- Einstein
- emissivity
- irradiance
- irradiate
- light
- photodecomposition
- photodetector
- photodissociation
- photography
- quantum
- radiant flux
- radio
- radiomicrometer
- radiophone
- radiosensitive
- ray
- thermopile
- sensitize
- solar constant
- spectrobolometer
- spectroradiometer
- spectrum