"radiance" in the noun sense
1. radiance, glow, glowing
the amount of electromagnetic radiation leaving or arriving at a point on a surface
2. radiance, radiancy, shine, effulgence, refulgence, refulgency
the quality of being bright and sending out rays of light
an attractive combination of good health and happiness
"the radiance of her countenance"
Source: WordNet® (An amazing lexical database of English)
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