radiance
US /ˈreɪ.di.əns/
UK /ˈreɪ.di.əns/
1.
light or heat as emitted or reflected by something
:
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The sun's radiance warmed the earth.
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Her face glowed with a soft radiance.
2.
the quality or state of being radiant; vivid brightness or warmth
:
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The artist captured the radiance of the sunset.
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Her smile brought a sudden radiance to the room.