Steradian Definition
stĭ-rādē-ən
noun
The basic unit of solid angular measure in the SI system, equal to the solid angle subtended at the center of a sphere by an area, on its surface, that is equal to the square of its radius: one sphere equals 4π steradians.
Webster's New World
Synonyms:
Other Word Forms of Steradian
Noun
Singular:
steradian
Plural:
steradiansOrigin of Steradian
ste(reo)– radian
From American Heritage Dictionary of the English Language, 5th Edition
-
ste(reo) + radian
From Wiktionary
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