steradian
IPA: stɛrˈeɪdiʌn
noun
- (geometry) 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
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Examples of "steradian" in Sentences
- Lumens per steradian and all than.
- A steradian can also be called a squared radian.
- A steradian can also be called a 'squared radian'.
- A steradian can also be called a squared radian' .
- The instrument had a field of view of one steradian.
- The SI unit of solid angle measurement is the steradian.
- The numerical values of the solid angles are given in steradians.
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