touch-tone
or touch·tone
[ tuhch-tohn ]
/ ˈtʌtʃˌtoʊn /
adjective
of or relating to a tone-dialing system or a push-button phone operating on tone dialing.
noun
(sometimes initial capital letter)
a tone-dialing system.
a telephone utilizing this system.
Origin of touch-tone
An Americanism dating back to 1955–60
Words nearby touch-tone
touch-in-goal line,
touch-me-not,
touch-ready,
touch-sensitive,
touch-tackle,
touch-tone,
touch-type,
touch-up,
touchback,
touchdown,
touched
British Dictionary definitions for touch-tone
touch-tone
adjective
of or relating to a telephone dialling system in which each of the buttons pressed generates a tone of a different pitch, which is transmitted to the exchange