Steradian

noun

Word Frequency: 0.0

Definitions

1.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

Synonyms

sr square degree solid angle spherical angle picoradian astronomical unit unit sphere sidereal day sidereal rotation period radiansphere standard ruler arcdegree

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