Extension meaning in English

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Definition

an extension: a prolongation, a delay, extra time noun
a telephone extension: a short number added to a telephone number to identify a person/department (usually within a company or building) noun
You can call me on extension 15.
  • "I'm sorry, sir, but I'm not finding an extension 1764."
  • "I don't know the telephone system very well, what's Philip's extension?"
  • "Caller : Son of a – Look, can you please just connect me to extension number seventeen-sixty-four."
  • "Does anybody know Philip's extension?"
  • "Call us at extension 5556 if you need help with anything."
  • "Trey : Did you say you wanted extension seventy-fifty-four?"

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