Definition Of sphere
;an area of activity, interest, or expertise; a section of society or an aspect of life distinguished and unified by a particular characteristic.
political reforms to match those in the economic sphere
a round solid figure, or its surface, with every point on its surface equidistant from its center.
There's a particularly good 3D Objects tool, which lets you create modelled spheres , cubes, rectangles cones, pyramids, toroids and more effortlessly.
denoting a structure or region of spherical form, especially a region around the earth.
denoting an area of activity, section of society, etc., distinguished by a particular characteristic.
enclose in or as if in a sphere.
Example Of sphere
A black sphere surrounded with bolts of lightening then appeared.
A new logo was also designed for the Airport, consisting of a bird in flight, silhouetted against a sphere or the earth's globe.
A plane surface, or the surface of a sphere , is two dimensional, right?
Also it is finite and spherical; for it cannot be in one direction any more than in another, and the sphere is the only figure of which this can be said.
Anyway, the large sphere is the planet, obviously.