quantum jump

Noun
  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 (synset 107373977)
    referred to in: natural philosophy, physics - the science of matter and energy and their interactions
    is a type of: jump, leap, saltation - an abrupt transition
  2. A sudden large increase or advance (synset 107373784)
    "this may not insure success but it will represent a quantum leap from last summer"
    is a type of: jump, leap - a sudden and decisive increase
    same as: quantum leap

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