steradian

Etymology
ste(reo) + radian

Noun

 * 1)  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

Translations

 * Chinese:
 * Mandarin:
 * Czech: steradián
 * Dutch:
 * Esperanto: steradiano
 * Estonian: steradiaan
 * Finnish:
 * French:
 * German: Steradiant
 * Greek: στερακτίνιο
 * Indonesian:
 * Japanese: ステラジアン
 * Kazakh: стерадиан
 * Malay: steradian
 * Polish:
 * Portuguese: esterradiano, esferorradiano
 * Romanian:
 * Russian:
 * Spanish:
 * Swedish: steradian
 * Thai: สเตอเรเดียน

Etymology
.