- 1the face of a clock or watch, or a similar control on a machine, piece of equipment, or vehicle that shows a measurement of time, amount, speed, temperature, etc. an alarm clock with a luminous dial Check the tire pressure on the dial. see sundial
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- 2the round control on a radio, stove, etc. that you turn in order to adjust something, for example to choose a particular station or to choose a particular temperature
- 3the round part on some older telephones, with holes for the fingers, that you move around to call a particular number see speed dial
Check pronunciation: dial