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Steradian
Meaning
Noun
●
In 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
r
². Symbol: sr
Sourced from
Wiktionary
Synonyms
Sr
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