radiant energy

/ˌreɪdiənt ˌɛnərdʒi/

Other forms: radiant energies

Definitions of radiant energy

1. noun

   energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter
   types:

   luminous energy

   the energy associated with visible light

   type of:

   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