dial tone
noun
Definition of dial tone
: a tone emitted by a telephone as a signal that the system is ready for dialing
Explore Merriam-Webster
1923
First Known Use of dial tone
1923
DIAL TONE Defined for English Language Learners
dial tone
noun
Definition of dial tone for English Language Learners
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: the sound that comes from a telephone when it is ready for a call to be made
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See words that rhyme with dial tone Britannica.com: Encyclopedia article about dial tone
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