quantum jump

/ˈkwɑntəm ˌdʒʌmp/
IPA guide

Definitions of quantum jump
  1. noun
    (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum
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    type of:
    jump, leap, saltation
    an abrupt transition
  2. noun
    a sudden large increase or advance
    synonyms: quantum leap
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    type of:
    jump, leap
    a sudden and decisive increase
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