Definition of resonance energy in English:

resonance energy

noun

  • 1A value of the energy of a system at which the system undergoes resonance.

  • 2Chemistry (in a molecule exhibiting resonance) the stability gain represented by the difference in energy between the resonance hybrid and the most stable of the canonical forms.

Origin

Early 20th century; earliest use found in William Bayliss (1860–1924), physiologist.