the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to resonance of any kind (3)
the stabilization of a molecular structure by resonance (sense 5b); the extent of this (= resonance energy n. (b)).
Physics and Chemistry. Involving or exhibiting chemical, magnetic, nuclear, or some other kind of resonance (resonance, n. 4 5).