Advertisement

Advertisement

solid angle

noun

, Geometry.
  1. an angle formed by three or more planes intersecting in a common point or formed at the vertex of a cone.


solid angle

noun

  1. a geometric surface consisting of lines originating from a common point (the vertex) and passing through a closed curve or polygon: measured in steradians
“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


solid angle

  1. A three-dimensional angle, formed by three or more planes intersecting at a common point. Its magnitude is measured in steradians, a unitless measure. The corner of a room forms a solid angle, as does the apex of a cone; one can imagine an indefinite number of planes forming the smooth round surface of the cone all intersecting at the apex. Solid angles are commonly used in photometry.


Discover More

Word History and Origins

Origin of solid angle1

First recorded in 1695–1705
Discover More

Example Sentences

If a solid angle be contained by three plane angles, any two of them are together greater than the third.

Three regular polygons of six or more sides cannot form a solid angle.

Hence it is possible to form a solid angle with three, four or five regular triangles or faces.

A similar difference exists between a solid angle and an n-edge or an n-flat.

There is no telling what the web and rivets would have borne had not the solid angle irons given way at the first bend.

Advertisement

Advertisement

Advertisement

Advertisement


solidagosolidarity