sphere: signification et définitions

Mathematics A three-dimensional surface, all points of which are equidistant from a fixed point.

A spherical object or figure.

A celestial body, such as a planet or star.

The sky, appearing as a hemisphere to an observer: the sphere of the heavens.

Any of a series of concentric, transparent, revolving globes that together were once thought to contain the moon, sun, planets, and stars.

The extent of a person's knowledge, interests, or social position.

An area of power, control, or influence; domain. See Synonyms at field.

To form into a sphere.

To put in or within a sphere.

To surround or encompass.