Kaluza-Klein Theory Definition

kə-lo͝ozə-klīn

noun

A theory that seeks to unify the force of electromagnetism as described by Maxwell's equations and the force of gravity as described by general relativity, explaining each as manifestations of a single fundamental force and introducing a hypothetical fifth dimension.

American Heritage

Any of various physical theories introducing dimensions additional to the four dimensions of space and time.

American Heritage

pronoun

A theory (no longer accepted) 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.

Wiktionary

Any of a number of theories that try to explain forces by adding extra dimensions to our spacetime.

Wiktionary

Other Word Forms of Kaluza-Klein Theory

Noun

Singular:

Kaluza-Klein theory

Plural:

kaluza-klein-theories

Origin of Kaluza-Klein Theory

After Theodor Kaluza (1885–1954), German mathematician and physicist and Oskar Klein (1894–1977), Swedish physicist

From American Heritage Dictionary of the English Language, 5th Edition