Kaluza-Klein theory

proper noun

A model (not believed to be literally true) developed by physicists Theodor Kaluza and Oskar Klein that attempted to combine gravity and electromagnetism by adding a fifth dimension to our four-dimensional spacetime.

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Meanings

proper nounKaluza-Klein theory (plural Kaluza-Klein theories)

plural Kaluza-Klein theories

  1. natural sciencesA model (not believed to be literally true) developed by physicists Theodor Kaluza and Oskar Klein that attempted to combine gravity and electromagnetism by adding a fifth dimension to our four-dimensional spacetime.
  2. natural sciencesAny of a number of theories that try to explain forces by adding extra dimensions to our spacetime.
Cite this entry
APA

Kaluza-Klein theory. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Kaluza-Klein%20theory

MLA

“Kaluza-Klein theory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kaluza-Klein%20theory. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Kaluza-Klein theory,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Kaluza-Klein%20theory.

Source: Kaluza-Klein theory on Wiktionary, CC BY-SA 4.0.