quantum leap

• Saut soudain, dramatique et significatif ou changement, surtout dans les connaissances, la technologie ou le progrès. À l'origine issu de la physique, désigne la transition brusque d'un électron entre des niveaux d'énergie.

A sudden, dramatic, and significant advance or change, especially in knowledge, technology, or progress. Originally from physics, referring to an abrupt transition of an electron between energy levels.

1. Major advancementB2formal

   A sudden, significant, and dramatic advance or improvement in a field or situation.

   bond quantique

   • The invention of the internet was a quantum leap in communication.
   • The new technology represents a quantum leap in medical diagnostics.
   • Her performance showed a quantum leap from last year.

2. Physics conceptC1formal

   An abrupt change in the energy level of an electron within an atom, moving from one quantum state to another.

   saut quantique

   • An electron can make a quantum leap to a higher energy level when it absorbs a photon.
   • Quantum leaps are fundamental to understanding atomic spectra.
   • The theory explains how quantum leaps occur without passing through intermediate states.