What is a steradian?

What is a steradian? Here are some definitions.

  1. (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
Find more words!
Use * for blank tiles (max 2) Advanced Search Advanced Search
Use * for blank spaces Advanced Search
Advanced Word Finder
Similar Words
There are also two supplementary units, the radian, and the steradian.
This is the power of the light that is emitted per projected surface area into a given solid angle, and it is measured in watts per square metre per steradian.

See Also

Nearby Definitions
9-letter Words Starting With
Find Definitions
Word Tools Finders & Helpers Other Languages More Synonyms
Copyright WordHippo © 2020