radiancePronunciation: /ˈreɪdiəns/Translate radiance | into Italian Definition of radiance noun [mass noun] 1light or heat as emitted or reflected by something:the radiance of the sunset dwindled and died great joy or love, apparent in someone’s expression or bearing:the radiance of the bride’s smile a glowing quality of the skin, especially as indicative of good health or youth: restore your skin’s natural radiance 2 Physics the flux of radiation emitted per unit solid angle in a given direction by a unit area of a source. radiance in other Oxford dictionaries Definition of radiance in the US English dictionary
