quantum jump

Definition of Quantum Jump in English :

1. quantum jump

(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. quantum jump, quantum leap

a sudden large increase or advance

Example Sentences:
'this may not insure success but it will represent a quantum leap from last summer'

WordNet Lexical Database for English. Princeton University. 2010.

Quantum Jump

1.

a sudden alteration in the energy level of an atom or molecule

2.

any sudden and extensive change or advance, as in a program or policy

n.

1. Abrupt change from one energy level to another, especially such a change in the orbit of an electron with the loss or gain of a quantum of energy.

2. A quantum leap.