Meaning of SPHERICAL in English
adj.1 shaped like a sphere; globular.
2 a of or relating to the properties of spheres (spherical geometry). b formed inside or on the surface of a sphere (spherical triangle).
Phrases and idioms:
spherical aberration a loss of definition in the image produced by a spherically curved mirror or lens. spherical angle an angle formed by the intersection of two great circles of a sphere.
Etymology: LL sphaericus f. Gk sphairikos (as SPHERE)
Oxford English vocab. Оксфордский английский словарь. 2012