spherical angle

noun

Definition of spherical angle

: the angle between two intersecting arcs of great circles of a sphere measured by the plane angle formed by the tangents to the arcs at the point of intersection

First Known Use of spherical angle

1678, in the meaning defined above

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The first known use of spherical angle was in 1678

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Cite this Entry

“Spherical angle.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/spherical%20angle. Accessed 14 December 2019.

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Britannica.com: Encyclopedia article about spherical angle

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