dial

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dial

1. the circular graduated disc of various measuring instruments
2. 
a. the control on a radio or television set used to change the station or channel
b. the panel on a radio on which the frequency, wavelength, or station is indicated by means of a pointer

Dial

 

a subassembly of a telephone that is used to control the operation of the apparatus in an automatic telephone exchange in order to establish a connection to the subscriber being called. Dials may be of the disk or push-button types, depending on the method of selecting the desired number.

dial

[dīl]
(communications)
In automatic telephone switching, a type of calling device which, when wound up and released, generates pulses required for establishing connections.
(design engineering)
A separate scale or other device for indicating the value to which a control is set.

DIAL

[′dī‚al]

dial

(1) See rotary dial.

(2) A Microsoft input device for its Surface Studio PC. See Surface Studio.
References in classic literature ?
After closely examining the dial and observing that it was nearly twelve o'clock, I opened it at the back and was interested to observe an inner case of ivory, upon which was painted a miniature portrait in that exquisite and delicate manner which was in vogue during the eighteenth century.
I think you said," I began, with assumed carelessness, "that after eleven the sight of the dial no longer affects you.
Opposite is the church with the clock upon it, as everybody knows, and at sight of the dial my companion had wrung his hands; it was close upon the half-hour.
An ear-splitting report accompanied the crash, a white cloud lifted from the fallen clock, and I saw a revolver smoking in a vice screwed below the dial, an arrangement of wires sprouting from the dial itself, and the single hand at once at its zenith and in contact with these.