microphonic noun & adjective. [mʌɪkrǝ'fɒnɪk] M19.
[from MICROPHONE + -IC.]
A. noun.
1. In pl. The branch of science that deals with the amplification of sound. rare. M19.

2. a. Electronics. An undesired signal or modulation produced (e.g. in a valve) by mechanical vibration. Usu. in pl. E20.
b. Physiology. A microphonic signal generated in the cochlea of the ear. M20.
b. adjective.
1. Of or pertaining to a microphone or the use of microphones. L19.

2. Characterized by or pertaining to the production of variations in electrical potential in response to sound waves or vibrations; (of an electrical signal) produced by sound waves or vibrations. L19.

■ mi'crophonism noun (Electronics) = microphony (b) M20.

■ mi'crophony noun (a) rare weakness of voice; (b) Electronics the production of microphonics: M19.

[TahlilGaran] English Dictionary ▲