Planck energy

noun

A natural unit of energy, equivalent to the mass energy of a Planck particle (E_P=c^(2m_P)≈1.95608×10⁹J) or the energy per quantum at a temperature of one Planck temperature (kT_P).

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Meanings

nounPlanck energy (plural Planck energies)

plural Planck energies

  1. natural sciencesA natural unit of energy, equivalent to the mass energy of a Planck particle (E_P=c^(2m_P)≈1.95608×10⁹J) or the energy per quantum at a temperature of one Planck temperature (kT_P).
Cite this entry
APA

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

MLA

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

Chicago

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

Source: Planck energy on Wiktionary, CC BY-SA 4.0.