dial tone

noun

Definition of dial tone

: a tone emitted by a telephone as a signal that the system is ready for dialing

Recent Examples of dial tone from the Web

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First Known Use of dial tone

1923

in the meaning defined above

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DIAL TONE Defined for English Language Learners

dial tone

Definition of dial tone for English Language Learners

  • : the sound that comes from a telephone when it is ready for a call to be made


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