IEVref:
845-01-20
ID:
Language:
en
Status:
Obsolete
Term:
steradian
Synonym1:
Synonym2:
Synonym3:
Symbol:
sr
Definition:
SI unit of solid angle : Solid angle that, having its vertex at the centre of a sphere, cuts off an area of the surface of the sphere equal to that of a square with sides of length equal to the radius of the sphere
Publication
date
:
1987
Source
ISO 31/1-2.1, 1978
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
SI unit of solid angle : Solid angle that, having its vertex at the centre of a sphere, cuts off an area of the surface of the sphere equal to that of a square with sides of length equal to the radius of the sphere