Bohr radius

noun

A physical constant, the approximate distance between the proton and electron of a hydrogen atom in its ground state, equal to about 53 picometers.

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Meanings

nounBohr radius (plural Bohr radiuses or Bohr radii)

plural Bohr radiuses · plural Bohr radii

  1. physicalquantum mechanicschemistryA physical constant, the approximate distance between the proton and electron of a hydrogen atom in its ground state, equal to about 53 picometers.

Synonyms & antonyms

Also see
bohr

Origin

After physicist Niels Bohr.

Full word history & related roots →

Translations

Hungarian Bohr-sugár
  • Bohr-sugárthe radius of a hydrogen atom, a physical constant
Cite this entry
APA

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

MLA

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

Chicago

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

Source: Bohr radius on Wiktionary, CC BY-SA 4.0.