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radiance

/ˈɹeɪdi.əns/noun

radiance is spelled R-A-D-I-A-N-C-E: 8 letters and 3 syllables. It appears 1.1 times per million words in written English, the 27,462nd most frequent word form (wordfreq, 2021 data). As a noun, radiance means “The quality or state of being radiant; shining, bright or splendid” (English Wiktionary, September 2026). The plural of radiance is radiances.

How many letters and syllables are in radiance?

Letters8: R-A-D-I-A-N-C-E
Syllables3 (from its American pronunciation)
In writing1.1 times per million words; the 27,462nd most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is radiance?

Radiance appears 1.1 times per million words in written English, the 27,462nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce radiance?

  • /ˈɹeɪdi.əns/

Radiance has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-radiance.wav, Wikimedia Commons (author and licence on each file's page).

Forms of radiance

  • radiances plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does radiance mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The quality or state of being radiant; shining, bright or splendid.

  2. 2

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

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Radiance in Spanish, French, German and Portuguese

LanguageWords
Frenchéclat (the quality of being radiant, shining, bright…), radiance (physical quantity in radiometry)
GermanGlanz, Strahlen, Leuchten (the quality of being radiant, shining, bright…), Radianz, Strahldichte (physical quantity in radiometry)
Portugueseradiância (the quality of being radiant, shining, bright…)
Spanishresplandor, brillo, fulgor (the quality of being radiant, shining, bright…), radiancia (physical quantity in radiometry)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does radiance come from?

From radiant + -ance.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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