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tone dialing

American  

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 ).

Other Word Forms

  • tone-dialing adjective

Example Sentences

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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.

From New York Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.