noun🔗Share스테라디안In 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"The lamp's reflector concentrates the light into a solid angle of approximately one steradian, providing focused illumination. "램프의 반사경은 빛을 약 1 스테라디안의 입체각으로 집중시켜 집중된 조명을 제공합니다.mathphysicsunitChat with AIVocabulary GamePractice Reading
