a method of navigation in which the curvature of the earth is taken into consideration.
noun, Geometry. 1. a triangle formed by arcs of great circles of a sphere. spherical triangle noun 1. a closed geometric figure formed on the surface of a sphere that is bounded by arcs of three great circles
noun 1. the branch of trigonometry that deals with spherical triangles. spherical trigonometry noun 1. the branch of trigonometry concerned with the measurement of the angles and sides of spherical triangles
noun, plural sphericities. 1. a spherical state or form. noun 1. the state or form of being spherical
noun, (used with a singular verb) 1. the geometry and trigonometry of figures formed on the surface of a sphere. noun 1. Also, sferics. (used with a singular verb) a branch of meteorology in which electronic devices are used to forecast the weather and to study atmospheric conditions. 2. (used with a plural verb) Radio […]