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A breaking out with some interjectional particle.

A mark (!) used to indicate an exclamation. G. Brown.

An animated or passionate exclamation. The feelings by the ecphonesis are very various. Gibbs.

An instrument for producing sound by means of electric currents.

An exclamatory sentence, or striking reflection, which sums up or concludes a discourse.

Epiphonema. [R.]

An instrument for recording, preserving, and reproducing sounds, the record being a tracing of a phonautograph etched in some solid material. Reproduction is accomplished by means of a system attached to an elastic diaphragm.

A kind of photograph.

A letter or character which expresses a like sound with another. Gliddon.

An instrument invented by Professor Wheatstone, consisting of a reflecting knob at the end of a vibrating rod or thin plate, for making visible, in the motion of a point of light reflected from the knob, the paths or curves corresponding with the musical notes produced by the vibrations.

A machine combining a kinetoscope and a phonograph synchronized so as to reproduce a scene and its accompanying sounds.

A device to magnify sound, or direct it in a given direction in a greater volume, as a very large funnel used as an ear trumpet or as a speaking trumpet.

An instrument like the xylophone, but having metallic instead of wooden bars.

An instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations.

An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing.

rc due to sound waves are obtained for reproduction by means of a selenium cell and a telephone.

An apparatus for the production of sound by the action of rays of light. A. G. Bell.

A character or vocal sign representing more than one sound, as read, which is pronounced red or rèd.

A musical instrument in which the tones are produced by flames of hydrogen, or illuminating gas, burning in tubes of different sizes and lengths.

f sound by the action of luminous or thermal rays. It is essentially the same as the photophone.