autophony Med.
(ɔːˈtɒfənɪ)
[ad. Gr. αὐτοϕωνία, n. of quality f. αὐτόϕωνος self-sounding, f. αὐτο- self, one's own + ϕωνή voice.]
Observation by a practitioner of the peculiarities of resonance of his own voice, when he places his head close to the chest of a patient, and speaks loudly. autophonic (ɔːtəʊˈfɒnɪk), a.1, pertaining to autophony.
| 1862 H. W. Fuller Dis. Lungs 124 Autophony, either directly or through the intervention of a stethoscope..in aid of the diagnosis of thoracic disease. Ibid., The inference that autophonic resonance would vary with the density of the contents of the thoracic cavity. |