quantum leap
Originating from quantum mechanics, 'quantum leap' now broadly describes sudden and significant changes or advancements.
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Definition
C2Physics
(technical, academic)A sudden and discrete transition of an electron or molecule from one energy level to another.
Example
- The quantum leap of an electron results in the emission or absorption of a photon.
B2General
(idiomatic)A sudden, significant, and transformative improvement or change.
Example
- The invention of the internet marked a quantum leap in communication technology.
- Her decision to change careers resulted in a quantum leap in her personal growth.
Similar
Terms that have similar or relatively close meanings to "quantum leap":
quantum jumpleaps and boundstime jumpquantum limitquantum soupquantum theoryquantum mechanicsquantum logicquantum gravitationquantum sufficitquantum gravity