touch–tone

adjective \ˈtəch-ˈtōn, -ˌtōn\

: having numbered buttons that produce different sounds when they are pushed

Full Definition of TOUCH-TONE

: of, relating to, or being a telephone having push buttons that produce tones corresponding to numbers

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from Touch-Tone, a trademark

First Known Use: 1962

TOUCH-TONE Defined for Kids

adjective \ˈtəch-ˈtōn\

: relating to or being a telephone with push buttons that produce tones corresponding to the numbers

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