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Topic: TELEPHONE, TELEGRAPH

Date: 1300-1400
Language: Old French
Origin: Latin dies 'day'

dial

1 noun
     
dial1 [countable]
1TD the round part of a clock, watch, machine etc that has numbers that show you the time or a measurement:
The lighted dial of her watch said 1.20.
She looked at the dial to check her speed.
2TCBD the part of a piece of equipment such as a radio or thermostat that you turn around to do something, such as find a different station or change the temperature:
The dial on the heater was set to 'HOT'.
3TCT the wheel on an older telephone with numbered holes for your fingers that you move around in order to make a call
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