primordial black hole

noun

A black hole which is formed by the direct collapse of primordial gas and dark matter, before the first stars ever formed, in a Big Bang universe.

Similar
PBH
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Meanings

nounprimordial black hole (plural primordial black holes)

plural primordial black holes

  1. A black hole which is formed by the direct collapse of primordial gas and dark matter, before the first stars ever formed, in a Big Bang universe.

    Synonyms: PBH

Synonyms & antonyms

nounA black hole which is formed by the direct collapse of primordial gas and dark matter, before the first stars ever formed, in a Big Bang universe.

Similar
PBH

Origin

From primordial + black hole. From being black holes formed before the start of the Stelliferous Age.

Full word history & related roots →
Cite this entry
APA

primordial black hole. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/primordial%20black%20hole

MLA

“primordial black hole.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/primordial%20black%20hole. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “primordial black hole,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/primordial%20black%20hole.

Source: primordial black hole on Wiktionary, CC BY-SA 4.0.