radiant energy

English Thesaurus

1. energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter (noun.phenomenon)

hypernym	:	energy, free energy,
definition	:	(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs (noun.phenomenon)

hyponym	:	luminous energy,
definition	:	the energy associated with visible light (noun.phenomenon)