noun
EXAMPLES FROM CORPUS
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Consider: the electricity has been cut off, the gas supply has stopped, the telephone has no dialling tone .
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He dialled the number again but this time there was no dialling tone - only silence stretching through the air-waves.
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He grinned when he picked up the phone to check the dialling tone .
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Lifted the receiver, listened to the dialling tone , put it down again.
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She jiggled the receiver and realised that there was no dialling tone .