black hole black hole /blæk hoʊl/

noun

1. () A region of space resulting from the collapse of a star; extremely high gravitational field  ( black hole )
   a region of space resulting from the collapse of a star; extremely high gravitational field
    A black hole is a region of space where gravity is so strong that nothing, not even light, can escape
   A black hole is a region of space where gravity is so strong that nothing, not even light, can escape