radiant
/ˈrā-dē-ənt/
adjective
radiating rays or reflecting beams of light
vividly bright and shining : glowing
marked by or expressive of love, confidence, or happiness
bright brilliant radiant luminous lustrous mean shining or glowing with light. bright implies emitting or reflecting a high degree of light. brilliant implies intense often sparkling brightness. radiant stresses the emission or seeming emission of rays of light. luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness. lustrous stresses an even, rich light from a surface that reflects brightly without glittering.
noun
something that radiates: such as
a point in the heavens at which the visible paths of meteors appear to meet when traced backward
the part of a gas or electric heater that becomes incandescent
noun
energy traveling as electromagnetic waves