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