Definitions

1. noun

a three-dimensional shape in geometry, especially one in which every point is equidistant from a fixed central point.

“The Earth is a sphere, orbiting the sun in space.”

2. noun

a region or area of a particular activity, interest, or influence.

“The sphere of her expertise was in international business development.”

3. noun

the highest or most superior part of something, especially a planet or other celestial body.

“The sphere of the sun was fully visible during the solar eclipse.”

4. noun

one of the areas or divisions of the sky in astronomy, especially when considered as a circle or a sphere.

“The astronomer studied the various spheres of the celestial map.”

5. verb

to surround or encircle something completely.

“The fog sphere enveloped the entire city, reducing visibility.”

6. verb

to confine or restrict something to a particular area or sphere of activity.

“The company’s new policy will sphere the employees’ work to specific departments.”