black hole

1. 1.

   a region of space resulting from the collapse of a star; extremely high gravitational field

   Broaderregion

Questions about black hole

What does black hole mean?

black hole means "a region of space resulting from the collapse of a star; extremely high gravitational field".

Is black hole a common word?

black hole is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.