(North American dial tone)
A sound produced by a telephone that indicates that a caller may start to dial.
More example sentences
- He listened and heard the familiar and comforting monotone sound of the dial tone.
- There was a click; the dial tone a moment later indicating that Miri considered the conversation over.
- Is the dial tone of the telephone something that you take for granted?
Definition of dialling tone in:
- The US English dictionary