spherical trigonometry

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noun

the branch of trigonometry that deals with spherical triangles.

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Origin of spherical trigonometry

First recorded in 1720–30

Words nearby spherical trigonometry

spherical geometry, spherical lens, spherical polygon, spherical sailing, spherical triangle, spherical trigonometry, sphericity, spherics, sphero-, spherocyte, spherocytic anemia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use spherical trigonometry in a sentence

Objects more massive than a certain amount are more spherical than not, while punier specimens are lumpy and irregular.
Saturn’s Death Star Look-Alike|Matthew R. Francis|October 19, 2014|DAILY BEAST
And, oh, occasionally, the golden snitch—a flying spherical ball—will flutter into the proceedings, creating chaos.
From J.K. Rowling’s Harry Potter Novels to Real Life: The Sport of Quidditch Takes Flight|Jace Lacob|March 14, 2012|DAILY BEAST
Take a case in Trigonometry—a Complement is what remains after subtracting an angle from one right-angle.
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)
When it is new, and also when in its waning stages it is visible in the daytime, the spherical form is very apparent.
Outlines of the Earth's History|Nathaniel Southgate Shaler

We may note that in a few months of heavy weather the stones of such a fall have all been reduced to rudely spherical forms.
Outlines of the Earth's History|Nathaniel Southgate Shaler
These bits are commonly distinctly faceted; they rarely have a spherical form.
Outlines of the Earth's History|Nathaniel Southgate Shaler
Upon these spherical aggregations of the clouds the winds act in extremely varied ways.
Outlines of the Earth's History|Nathaniel Southgate Shaler

British Dictionary definitions for spherical trigonometry

spherical trigonometry

noun

the branch of trigonometry concerned with the measurement of the angles and sides of spherical triangles

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