Boltzmann brain

noun

A hypothetical self-aware entity that arises due to random fluctuations of spacetime.

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Meanings

nounBoltzmann brain (plural Boltzmann brains)

plural Boltzmann brains

  1. natural sciencesA hypothetical self-aware entity that arises due to random fluctuations of spacetime.

Origin

For Ludwig Boltzmann, Austrian physicist, on whose ideas it is based.

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Translations

Polish mózg Boltzmanna
  • mózg Boltzmannahypothetical entity
Cite this entry
APA

Boltzmann brain. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Boltzmann%20brain

MLA

“Boltzmann brain.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Boltzmann%20brain. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Boltzmann brain,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Boltzmann%20brain.

Source: Boltzmann brain on Wiktionary, CC BY-SA 4.0.