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spherical angle

noun

, Geometry.
  1. an angle formed by arcs of great circles of a sphere.

spherical angle

noun

  1. an angle formed at the intersection of two great circles of a sphere
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of spherical angle1

First recorded in 1670–80
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Example Sentences

It must be able to turn through a spherical angle of 180 degrees, and was necessarily controlled electrically from the inside.

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spherical aberrationspherical astronomy

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