sphere

4 definitions • 6 examples

an object shaped like a round ball:

Doctors have replaced the top of his hip bone with a metal sphere.

a subject or area of knowledge, work, etc.:

the political sphere

exchanges with other countries, particularly in cultural, scientific, and economic spheres

a solid shape like a round ball:

This changes the shape of the cornea from a spoonlike form to a sphere.

a range or area of activity:

In the foreign policy sphere, Li also indicated that China is ready to include human rights in its diplomacy.

When the children played they always remained within the sphere of their own little group.