black hole

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Noun[change]

Singular
black hole

Plural
black holes

  1. (countable) A black hole is a round invisible astronomical body with no solid surface and is compact enough to attract light and swallow it. That's why it remains usually invisible.
    Certain stars form a couple with a black hole, turning around each other : the matter of the star is progressively swallowed by the black hole.

See also[change]

Related words[change]