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spherical Definition
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spherical
adjective(spher-i-cal)having the form of a sphere or of one of its segments
spherical
adjective(spher-i-cal)relating to or dealing with a sphere or its properties
spherical
noun(spher-i-cal)aberration that is caused by the spherical form of a lens or mirror and that gives different foci for central and marginal rays
spherical
noun(spher-i-cal)the angle between two intersecting arcs of great circles of a sphere measured by the plane angle formed by the tangents to the arcs at the point of intersection
spherical
noun(spher-i-cal)one of three coordinates that are used to locate a point in space and that comprise the radius of the sphere on which the point lies in a system of concentric spheres, the angle formed by the point, the center, and a given axis of the sphere, and the angle between the plane of the first angle and a reference plane through the given axis of the sphere
spherical
noun(spher-i-cal)the geometry of figures on a sphere
spherical
noun(spher-i-cal)a figure analogous to a plane polygon that is formed on a sphere by arcs of great circles
spherical
noun(spher-i-cal)a spherical polygon of three sides
spherical
noun(spher-i-cal)trigonometry applied to spherical triangles and polygons