Rĕs'o-nance, n.

n. [Fr. résonance, Sp. resonancia, It. risonanza, Lat. resonantia.]

1. The state of being resonant; or the act of resounding.
2. (Acoustics.) A prolongation or increase of any sound, either by reflection, as in a cavern or apartment the walls of which are not distant enough to return a distinct echo, or by the production of vibrations in other bodies, as a sounding-board, or the bodies of musical instruments.