black holes

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of black hole.
  black hole

  noun

  a theoretical massive object, formed at the beginning of the universe or by the gravitational collapse of a star exploding as a supernova, whose gravitational field is so intense that no electromagnetic radiation can escape.

Example Sentences

See Examples For:

black holes

Some of these black holes contain millions or even billions of times the mass of the Sun, yet they already existed less than 600 million years after the Big Bang.

From Science Daily ● Sep. 17, 2026

Instead, the simulations indicate that Little Red Dots could arise naturally from the environment of the young cosmos, where black holes were able to grow at extraordinary rates.

From Science Daily ● Sep. 17, 2026

Quasars are exceptionally bright cosmic objects powered by supermassive black holes that are actively consuming gas.

From Science Daily ● Sep. 15, 2026

"For the first time, we have shown that black holes influence the broader cosmic environment through a shock wave of astonishing power," adds Yamada.

From Science Daily ● Sep. 15, 2026

Dad explained light-years and black holes and quasars and told us about the special qualities of Betelgeuse, Rigel, and Venus.

From "The Glass Castle" by Jeannette Walls

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