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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
steradian noun (abbreviation sr) geom the SI unit that is used for measuring solid (three-dimensional) angles. It is equal to the solid angle formed at the centre of a sphere when an area on the surface of the sphere, which is equal to the square of the sphere's radius, is joined to the centre.
ETYMOLOGY: 19c: from Greek stereos solid + radian.
steradian noun (abbreviation sr) geom the SI unit that is used for measuring solid (three-dimensional) angles. It is equal to the solid angle formed at the centre of a sphere when an area on the surface of the sphere, which is equal to the square of the sphere's radius, is joined to the centre.
ETYMOLOGY: 19c: from Greek stereos solid + radian.
steradian noun (abbreviation sr) geom the SI unit that is used for measuring solid (three-dimensional) angles. It is equal to the solid angle formed at the centre of a sphere when an area on the surface of the sphere, which is equal to the square of the sphere's radius, is joined to the centre.
ETYMOLOGY: 19c: from Greek stereos solid + radian.
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The Chambers Thesaurus
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Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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