radiance
n. uncountable C1 Advanced US //ˈɹeɪˌdiəns// UK //ɹˈeɪdiəns// ra·di·ance
n. a glowing light or a look of great health and happiness. It describes something that shines brightly or someone who looks very beautiful and glowing.
n. the quality of emitting or reflecting light; a glowing or vivid brightness. Often used figuratively to describe a person's appearance of health, joy, or beauty.
The bride had a natural radiance on her wedding day.
The morning sun hit the snow with such radiance that we had to wear sunglasses to look outside.
From radiant + -ance.
Usage
Typically uncountable when referring to light or beauty; rarely used in the plural.