SOLIDANGLE

Solid angle

In geometry, a solid angle is the two-dimensional angle in three-dimensional space that an object subtends at a point. It is a measure of how large the object appears to an observer looking from that point. In the International System of Units, a solid angle is a dimensionless unit of measurement called a steradian .

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solid angle

Noun

  1. The three-dimensional analog of an angle, equivalent to the area of that portion of the surface a unit sphere that it subtends.


The above text is a snippet from Wiktionary: solid angle
and as such is available under the Creative Commons Attribution/Share-Alike License.

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