radiance

English

Etymology

From radiant +‎ -ance.

Pronunciation

• IPA^(key): /ˈɹeɪdi.əns/

  • Audio (Southern England):

    (file)

Noun

radiance (countable and uncountable, plural radiances)

1. The quality or state of being radiant; shining, bright or splendid.
   • 1667, John Milton, “Book VII”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:

     Girt with omnipotence, with radiance crowned.

   • 1998, “Hard to Get”, performed by Rich Mullins:

     You who live in radiance
     hear the prayers of those of us who live in skin

2. (physics) The flux of radiation emitted per unit solid angle in a given direction by a unit area of a source.

Derived terms

• ocular radiance
• superradiance

Related terms

• irradiance

Translations

the quality of being radiant, shining, bright or splendid

• Armenian: փայլ (hy) (pʻayl)
• Bulgarian: сияние (bg) n (sijanie)
• Chinese:

  Mandarin: 輻射／辐射 (zh) (fúshè), 光輝／光辉 (zh) (guānghuī), 閃耀／闪耀 (zh) (shǎnyào)

• Dutch: uitstraling (nl) f
• Finnish: säteily (fi), säteilevyys
• French: éclat (fr) m
• German: Glanz (de) m, Strahlen (de) n, Leuchten (de) n
• Icelandic: ljómi (is) m
• Italian: radianza (it) f
• Japanese: 輝き (ja) (kagayaki)
• Javanese: sunar (jv)
• Korean: 광채 (ko) (gwangchae)
• Latin: iubar n, candor m
• Old English: lēoma m
• Polish: blask (pl) m
• Portuguese: radiância f
• Romanian: strălucire (ro) f, lucire (ro) f, iradiere (ro) f
• Russian: сия́ние (ru) n (sijánije), блеск (ru) m (blesk)
• Spanish: resplandor (es) m, brillo (es) m, fulgor (es) m
• Ukrainian: ся́йво n (sjájvo)

the flux of radiation emitted per unit solid angle in a given direction by a unit area of a source

• Chinese:

  Mandarin: please add this translation if you can

• Finnish: radianssi, säteilytiheys
• German: Radianz f, Strahldichte f
• Javanese: sunar (jv)
• Polish: radiancja f
• Portuguese: radiância f
• Romanian: radianță (ro) f, emitanță (ro) f
• Russian: излуче́ние (ru) n (izlučénije)

Anagrams

• Caradine, acridane, canaried, caridean