the quality or state of being resonant
a quality imparted to speech sounds by a buildup of vibrations in the vocal tract
the intensification and enrichment of a musical tone by supplementary vibration
strong vibration in a mechanical or electrical system caused by a relatively small vibration of the same or nearly the same frequency as that of the natural vibration of the system
the possession by a molecule, chemical group, etc of two or more possible structures differing only in the distribution of electrons