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definitions

spherical trigonometry

noun
  1. the branch of trigonometry that deals with spherical triangles.

Origin of spherical trigonometry

First recorded in 1720–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for spherical trigonometry

spherical trigonometry

noun
  1. 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