[ra.di.ant] adj (15c) 1 a: radiating rays or reflecting beams of light b: vividly bright and shining: glowing
2: marked by or expressive of love, confidence, or happiness "a ~ smile" 3 a: emitted or transmitted by radiation b: emitting or relating to radiant heat syn see bright -- ra.di.ant.ly adv
[2]radiant n (ca. 1741): something that radiates: as a: a point in the heavens at which the visible parallel paths of meteors appear to meet when traced backward b: the part of a gas or electric heater that becomes incandescent