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From Longman Dictionary of Contemporary English radiance ra‧di‧ance / ˈreɪdiəns / noun [uncountable] literary 1 HAPPY great happiness that shows in someone’s face and makes them look attractive a young face full of radiance 2 LIGHT a soft gentle light the moon’s radiance Examples from the Corpus radiance • The light in the ...
Definition of radiance noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
radiant: 1 adj radiating or as if radiating light “a radiant sunrise” Synonyms: beaming , beamy , effulgent , refulgent bright emitting or reflecting light readily or in large amounts
Jun 8, 2024 · radiance (countable and uncountable, plural radiances) The quality or state of being radiant ; shining, bright or splendid. 1667 , John Milton , “Book VII”, in Paradise Lost.
Feb 24, 2012 · Radiance Definition: Radiance is defined as the radiant flux emitted from a point source in a specific direction per unit solid angle and per unit projected area perpendicular to that direction. Luminance Definition : Luminance is defined as the luminous flux radiated from a point light source per unit solid angle and per unit projected area perpendicular to the specified direction.
Synonyms for RADIANT: bright, glowing, smiling, sunny, cheerful, gleaming, dazzling, joyful; Antonyms of RADIANT: stoic, listless, flat, stoical, blank, unemotional ...
Since 1979 we have gone one step further, recognizing that obtaining and measuring the radiation from a black body at the temperature of melting platinum is a matter of some practical difficulty, and the current definition of the candela makes no mention of platinum or of a black body, and the candela is defined in such a manner that if a source of monochromatic radiation of frequency \(5.4 \times 10^{14} \text{Hz}\) has a radiant intensity of \(1/683 \ \text{W sr}^{-1}\) in that direction ...
