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Energy transferred by radiation, especially by an electromagnetic wave.
(Units) energy that is emitted or propagated in the form of particles or electromagnetic radiation. It is measured in joules. Symbol: Qe
1. energy transmitted in wave motion, esp. electromagnetic wave motion.
Energy in the form of waves, especially electromagnetic waves. Radio waves, x-rays, and visible light are all forms of radiant energy.
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|Noun||1.||radiant energy - energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter|
energy, free energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms"
luminous energy - the energy associated with visible light