resonance [L, vocalis + resonare, to sound again] , 1. an echo or other sound produced by percussion of an organ or cavity of the body during a physical exam. 2. the process of energy absorption by an object that is tuned to absorb energy of a specific frequency. Other frequencies have no effect. 3. modification of the laryngeal tone as it passes through the pharynx and oral cavity to produce an increase in the intensity and quality of the sound.
