radianceEnglish → FrenchOxford English–Frenchradiance /BrE ˈreɪdɪəns , AmE ˈreɪdiəns /, radiancy /ˈreɪdɪənsɪ/ noun 1 (brightness) éclat m; (softer) lueur f 2 figurative (of beauty, smile) éclat m, rayonnement m