Internet Encyclopedia of Science
UNITS
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

                   HOME
ABOUT
CATEGORIES
COPYRIGHT
NEWSLETTER

  



steradian (sr)



steradian
One of two supplementary (dimensionless) units in the SI system of units (the other being the radian). The steradian is a unit of solid angle. It is defined as the solid central angle of a sphere which encloses a surface on the sphere equal to the square of the sphere's radius.


Related category

   • UNITS


Also on this site:

Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History



BACK TO TOP