The meaning of SPHERE is the apparent surface of the heavens of which half forms the dome of the visible sky. How to use sphere in a sentence.

any of the transparent, concentric, spherical shells, or layers, in which, according to ancient belief, the planets, stars, and other heavenly bodies were set. the place or environment within which a person …

A sphere can be constructed as the surface formed by rotating a circle one half revolution about any of its diameters; this is very similar to the traditional definition of a sphere as given in Euclid's Elements.

SPHERE definition: 1. an object shaped like a round ball: 2. a subject or area of knowledge, work, etc.: 3. an…. Learn more.

Definition of sphere noun from the Oxford Advanced Learner's Dictionary. (geometry) a solid figure that is completely round, with every point on its surface at an equal distance from the centre. The Earth is …

a combining form meaning “sphere,” “something spherical in shape” (hemisphere), used esp. in the names of the concentric layers of gases, water, rock, etc., characteristic of the earth or other celestial …

A sphere of people is a group of them who are similar in social status or who have the same interests.

Dec 4, 2025 · Sphere, In geometry, the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its …

Illustrated definition of Sphere: A 3-dimensional object shaped like a ball. Every point on the surface is the same distance...

A sphere is defined as having all points on its surface equidistant from its center, which sets it apart from other three-dimensional figures like cubes or cones that have edges and vertices.