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Noun: quantum jump
  1. (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
     
  2. A sudden large increase or advance
    "this may not insure success but it will represent a quantum jump from last summer"
    - quantum leap

Derived forms: quantum jumps

Type of: jump, leap, saltation

Encyclopedia: Quantum jump

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