noun
Meaning 1
A system of telephone dialing in which each digit is transmitted as a tone or combination of tones of specific pitch.
Definition source: English Wiktionary via Wiktextract
Usage: US, uncountable
Topics: communications, electrical-engineering, engineering, natural-sciences, physical-sciences, telecommunications, telephony
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided