Definition of dial noun from the Oxford Advanced American Dictionary

     

    dial

     noun
    noun
    NAmE//ˈdaɪəl//
     
    , NAmE//daɪl//
     
     
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  1. 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 also sundial
  2. 2 the 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
  3. 3the round part on some older telephones, with holes for the fingers, that you move around to call a particular number see also speed dial
See the Oxford Advanced Learner's Dictionary entry: dial