Adjective – Radiant
1. sending out light; shining or glowing brightly.
“a bird with radiant green and red plumage”
Similar:
shining, bright, illuminated, lit, lighted, brilliant, gleaming, glowing, ablaze, luminous, luminescent, lustrous, incandescent, glittering, sparkling, coruscating, dazzling, flashing, shimmering, glowy, irradiant, lucent, lambent, splendent, effulgent, refulgent
Opposite:
dark, dull
2. (of electromagnetic energy, especially heat) transmitted by radiation, rather than conduction or convection.
“plants convert the radiant energy of the sun into chemical energy”
noun
a point or object from which light or heat radiates, especially a heating element in an electric or gas heater.
“I sat down by my hissing gas fire—one of the radiants was missing”