spherical geometry

noun

1. the branch of geometry that deals with figures on spherical surfaces.

spherical geometry

noun

1. the branch of geometry concerned with the properties of figures formed on the surface of a sphere

spherical geometry

1. The geometry of circles, angles, and figures on the surface of a sphere.

Word History and Origins

Origin of spherical geometry¹

First recorded in 1720–30

Example Sentences

Two main possibilities then arise: one is spherical geometry, in which parallel lines can eventually touch, in the way that Earth’s meridians cross at the poles; the other is hyperbolic geometry, in which they diverge.

From Nature

Some clusters have their galaxies arranged in an unambiguously spherical geometry; they are composed chiefly of ellipticals, often dominated by one giant elliptical, the presumptive galactic cannibal.

From Literature

I taught a topology and geometry class this semester, and one of the topics we covered was spherical geometry.

From Scientific American

"What we're seeing is a clever trick of spherical geometry. For structures on this scale, a polygon with 120-degree angles at the corners actually has four sides instead of six," explained Prof Andrews-Hanna.

From BBC

The spherical geometry of oil silos provides optimal orientation for harvesting sunlight year-round.

From Forbes