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See also: turn-key



turn +‎ key



turnkey (comparative more turnkey, superlative most turnkey)

  1. ready to use without further assembly or test; supplied in a state that is ready to turn on and operate (typically refers to an assembly that is outsourced for manufacture)
    They wanted a turnkey solution for the entire system, but we could only provide the enclosure.
    • 1980, Bulletin of the Atomic Scientists, April 1980, Kathleen Bailey, When and why weapons; page 42
      Third World countries no longer want to purchase nuclear projects on a turn-key basis; they want to receive advanced technical training as well.



turnkey (plural turnkeys)

  1. (now archaic) A warder or jailer/gaoler; keeper of the keys in a prison.
    • 1836, Charles Dickens, The Pickwick papers
      ...they passed through an open door into a lobby, from which a heavy gate, opposite to that by which they had entered, and which was guarded by a stout turnkey with the key in his hand, led at once into the interior of the prison.
    • 1883, Thomas Hardy, The Three Strangers
      'Certainly not,' said the turnkey; and the first corroborated his statement.



turnkey (third-person singular simple present turnkeys, present participle turnkeying, simple past and past participle turnkeyed)

  1. to supply a turnkey product; to supply something fully assembled and ready to use
    We can sell you all the parts, or we can turnkey the entire unit.

Related terms[edit]

  • EPC: "engineering, procurement and construction"