The result is a roughly but not perfectly spherical rotating body.

String is wrapped around the equator of a perfectly spherical Earth.

Any real star - which would never be perfectly spherical - could therefore only collapse to form a naked singularity.

It takes two years, and a lot of care and attention, to produce a perfectly spherical, flawless pearl.

It appeared to be perfectly spherical; and he thought he had seen something like it before.

This causes the blast bubble never to be perfectly spherical.

This was because, despite their name, round shot were never perfectly spherical, nor did they fit their gun barrels exactly.

Some black holes are perfectly spherical - like a ball.

There was a harvest moon tonight, silvery and perfectly spherical, riding the black clouds.

Then the mantle is filled with seawater, turning them perfectly spherical.