solid angle

noun

Definition of solid angle

: the three-dimensional angular spread at the vertex of a cone measured by the area intercepted by the cone on a unit sphere whose center is the vertex of the cone

First Known Use of solid angle

circa 1704, in the meaning defined above

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The first known use of solid angle was circa 1704

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Cite this Entry

“Solid angle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solid%20angle. Accessed 18 Jun. 2021.

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