quantum jump

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Topics:
physics, natural philosophy
• Hypernyms:
leap, jump, saltation
2. a sudden large increase or advance
- this may not insure success but it will represent a quantum leap from last summer
• Syn:
quantum leap
• Hypernyms:
jump, leap