Definition of white hole in English:

white hole

Syllabification: white hole

noun

Astronomy
  • A hypothetical celestial object that expands outward from a space-time singularity and emits energy, in the manner of a time-reversed black hole.
    More example sentences
    • And just as Humphreys' model has the universe expanding out of a white hole (a black hole running in reverse) so too does their paper!
    • Even though both black holes and white holes are plausible scenarios according to general relativity, there is still a crucial difference.
    • The problem is with the amount of entropy in a white hole.

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Pronunciation: kəːf
noun
a slit made by cutting with a saw