Meanings
- quantum mechanicsA key postulate of quantum mechanics, giving the probability that a measurement of a quantum system will yield a given result. In its simplest form, it states that the probability density of finding a particle at a given point, when measured, is proportional to the square of the magnitude of the particle's wavefunction at that point.
Synonyms: Born's rule
Synonyms & antonyms
proper nounA key postulate of quantum mechanics, giving the probability that a measurement of a quantum system will yield a given result. In its simplest form, it states that the probability density of finding a particle at a given point, when measured, is proportional to the square of the magnitude of the particle's wavefunction at that point.
Origin
Formulated by German physicist Max Born in 1926.
Full word history & related roots →Translations
Polish reguła Borna
- reguła BornaTranslations
Cite this entry
Born rule. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Born%20rule
“Born rule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Born%20rule. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “Born rule,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Born%20rule.
Source: Born rule on Wiktionary, CC BY-SA 4.0.