Touch-Tone phone

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Telephone, telegraph

ˈTouch-Tone ˌphone noun [countable] trademark  TCTa telephone that produces different sounds when different buttons are pushed 按键式电话

Examples from the Corpus

Touch-Tone phone• Consumers can use the card at any Touch-Tone phone.

ˈTouch-Tone ˌphone nounChineseSyllable  

telephone Corpus sounds a when that different produces different

Touch-Tone phone
ˈTouch-Tone ˌphone noun [countable] trademark
a telephone that produces different sounds when different buttons are pushed