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A wireless telephone. -- Ra`di*o*te*leph"o*ny (#), n.

A wind instrument of brass, containing a reed, and partaking of the qualities both of a brass instrument and of a clarinet.

One of the two dorsal tubular organs on the hinder part of the abdomen of aphids. They give exit to the honeydew. See Illust. under Aphis.

An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope. -- Spec`tro*phon"ic (#), a.

An electrical instrument for determining by the ear the rhythm of the pulse of a person at a distance.

d consisting of the sulphuryl group united with two hydrocarbon radicals; as, dimethyl sulphone, (CH.SO

A contraction of two syllables into one; synizesis.

A dumb gymnastic apparatus for training the hands of pianists and organists, as to a legato touch.

re, disk, or ribbon, moved against the pole of a magnet connected electrically with a telephone receiver, or the like.

To convey or announce by telephone.

A central office in which the wires of telephones may be connected to permit conversation.

A portable form of telethermometer, using a telephone in connection with a differential thermometer.

A double ear trumpet for estimating the direction from which sounds proceed, esp. for the use of navigators.

An instrument common among the Russians, Poles, and Tartars, consisting of a series of strips of wood or glass graduated in length to the musical scale, resting on belts of straw, and struck with two small hammers. Called in Germany strohfiedel, or straw fiddle.

nal passage of the ear. -- Acoustic telegraph, a telegraph making audible signals; a telephone. -- Acoustic vessels, brazen tubes or vessels, shaped like a bell, used in ancient theaters to propel the voices of the actors, so as to render them audible to a great distance.

The use of a picture symbol of an object to represent phonetically the initial sound of the name of the object.

The use of a picture symbol of an object to represent phonetically the initial sound of the name of the object.

Having lost, or tending to lose, inflections by phonetic decay; as, anaptotic languages.

rease its resistance several times. The anticoherer can be used in conjunction with a telephone.

A musical response; alternate singing or chanting. See Antiphony, and Antiphone.