steradian

S1T1E1R1A1D2I1A1N1
/stəˈɹeɪ.diən/

noun

In the International System of Units, the derived unit of solid angle; the solid angle subtended at the centre of a sphere of radius r by a portion of the surface of the sphere that has area r². Symbol: sr

Similar
sr
RareScrabble 10
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounsteradian (plural steradians)

plural steradians

  1. geometryIn the International System of Units, the derived unit of solid angle; the solid angle subtended at the centre of a sphere of radius r by a portion of the surface of the sphere that has area r². Symbol: sr

    Synonyms: sr

Synonyms & antonyms

nounIn the International System of Units, the derived unit of solid angle; the solid angle subtended at the centre of a sphere of radius r by a portion of the surface of the sphere that has area r². Symbol: sr

Similar
sr

More synonyms by meaning

nounthe unit of solid angle adopted under the Systeme International d'Unites

Similar
sr
Broader
angular unit

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

ste(reo) + radian

Full word history & related roots →

Translations

Chinese Mandarin 球面度
  • 球面度 (qiúmiàndù)derived unit of solid angle
Czech steradián
  • steradiánderived unit of solid angle
Dutch steradiaal
  • steradiaalderived unit of solid angle
Esperanto steradiano
  • steradianoderived unit of solid angle
Estonian steradiaan
  • steradiaanderived unit of solid angle
Finnish steradiaani
  • steradiaaniderived unit of solid angle
French stéradian
  • stéradianderived unit of solid angle
German Steradiant
  • Steradiantderived unit of solid angle
Greek στερακτίνιο
  • στερακτίνιο (steraktínio)derived unit of solid angle
Indonesian steradian
  • steradianderived unit of solid angle
Japanese ステラジアン
  • ステラジアン (suterajian)derived unit of solid angle
Malay steradian
  • steradianderived unit of solid angle
Polish steradian
  • steradianderived unit of solid angle
Portuguese esterradiano, esferorradiano
  • esterradianoderived unit of solid angle
  • esferorradianoderived unit of solid angle
Romanian steradian
  • steradianderived unit of solid angle
Russian стерадиа́н
  • стерадиа́н (steradián)derived unit of solid angle
Spanish estereorradián
  • estereorradiánderived unit of solid angle
Swedish steradian
  • steradianderived unit of solid angle
Thai สเตอเรเดียน
  • สเตอเรเดียน (sa-təə-ree-dîian)derived unit of solid angle
Cite this entry
APA

steradian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/steradian

MLA

“steradian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/steradian. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “steradian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/steradian.

Source: steradian on Wiktionary, CC BY-SA 4.0.