phone noun (PHONE)
A1 [ C or U ] formal telephone a device that uses either a system of wires along which electrical signals are sent or a system of radio signals to make it possible for you to speak to someone in another place who has a similar device:
Just then, his phone rang.
Could you answer the phone?
be on the phone
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Communications - telephone equipment
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phone noun (PHONETIC UNIT)
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Grammar
A1 to communicate with someone by phone:
She phoned just after lunch.
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