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Born rule

Born rule proper noun: a 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.

Proper noun

the Born rule

  1. (quantum mechanics) A 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 of Born rule

Origin of Born rule

Formulated by German physicist Max Born in 1926.

Questions about Born rule

What does Born rule mean?
Born rule means a 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.
What part of speech is Born rule?
Born rule is a proper noun.

Words near Born rule in the dictionary

  1. born in the purple
  2. born in the vestry
  3. born loser
  4. born losers
  5. Born rigidity
  6. Born rule
  7. born sleeping
  8. born tired
  9. born to the purple
  10. born with a silver spoon in one's mouth
  11. Born's rule

Source and license

Adapted from Wiktionary: Born rule (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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