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tone dialing

noun

  1. a system of calling telephone numbers wherein tones of differing pitch corresponding to the digits in the number called are electronically generated by manipulating pushbuttons ( pulse dialing ).


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Other Words From

  • tone-dial·ing adjective
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Example Sentences

The New York World’s Fair in 1964-65 demonstrated touch tone dialing, and I.B.M. built the first small computers for schools and business.

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