Res"o*nance (r?z"?-nans), n. [Cf. F. résonance, L. resonantia an echo.]

1.

The act of resounding; the quality or state of being resonant.

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.

Pulmonary resonance (Med.), the sound heard on percussing over the lungs. --
Vocal resonance (Med.), the sound transmitted to the ear when auscultation is made while the patient is speaking.

 

© Webster 1913


Res"o*nance, n.

An electric phenomenon corresponding to that of acoustic resonance, due to the existance of certain relations of the capacity, inductance, resistance, and frequency of an alternating circuit.

 

© Webster 1913