Quantum Leap

Definition

A sudden, dramatic jump or advance, especially one that seems disproportionately large compared to incremental progress; originating from physics, where it describes an electron jumping between energy levels without occupying intermediate states. Used colloquially to mean a breakthrough or transformative shift in any field.

Example Usage

The company made a quantum leap in efficiency after adopting the new software platform.

Origin

From quantum mechanics terminology introduced in early 20th-century physics; popularized in everyday speech by the 1980s TV series 'Quantum Leap.'

Fun Fact

In physics, electrons don't gradually move between orbitals—they instantaneously 'leap' from one energy level to another, making the metaphor scientifically grounded.

Source: Definition backfill (hailey)

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