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Colloq. for Telephone.

An instrument for studying the motions of sounding bodies by optical means. It consists of a tube across the end of which is stretched a film of soap solution thin enough to give colored bands, the form and position of which are affected by sonorous vibrations.

Representing sounds; as, phonetic characters; -- opposed to ideographic; as, a phonetic notation. Phonetic spelling, spelling in phonetic characters, each representing one sound only; -- contrasted with Romanic spelling, or that by the use of the Roman alphabet.

In a phonetic manner.

One versed in phonetics; a phonetist.

The doctrine or science of sounds; especially those of the human voice; phonology.

The science which treats of vocal sounds. J. Peile.

One versed in phonetics; a phonologist.

The act, art, or process of representing sounds by phonetic signs.

To represent by phonetic signs. Lowell.

An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays.

An instrument, proposed by Edison, for greatly intensifying speech. It consists of a phonograph diaphragm so arranged that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.

The response which one side of the choir makes to the other in a chant; alternate chanting or signing.

A book of antiphons. Chaucer.

A group of bivalve mollusks destitute of siphons, as the oyster; the asiphonate mollusks.

sound to the auditory nerve and enables the deaf to hear more or less distinctly; a dentiphone.

A pneumatic reproducer for a phonograph, controlled by the recording stylus on the principle of the relay. It produces much clearer and louder tones than does the ordinary vibrating disk reproducer.

An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds.

n instrument which, placed against the teeth, conveys sound to the auditory nerve; an audiphone. Knight.

A form of phonographic recorder and reproducer adapted for use in dictation, as in business.