Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
ra·di·ance(rā′dē-əns) also ra·di·an·cy (-ən-sē)
1. The quality or state of being radiant.
2. Physics The radiant energy emitted per unit time in a specified direction by a unit area of an emitting surface.
Switch to new thesaurus
|Noun||1.||radiancy - the quality of being bright and sending out rays of light|
brightness - the location of a visual perception along a continuum from black to white
sheen, shininess, luster, lustre - the visual property of something that shines with reflected light