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  2. lock, mechanical device for securing a door or receptacle so that it cannot be opened except by a key or by a series of manipulations that can be carried out only by a person knowing the secret or code.

    • The Editors of Encyclopaedia Britannica
  3. en.wikipedia.org › wiki › Lock_and_keyLock and key - Wikipedia

    A typical modern padlock and its keys. A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or password ), by a combination thereof, or it may only be able to be ...

  4. Lock definition: a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.. See examples of LOCK used in a sentence.

  5. Sep 10, 2021 · A smart lock is a Wi-Fi or Bluetooth -enabled smart home device that lets users leave their house keys behind, locking and unlocking doors with the tap of a finger or a simple voice command. Smart locks even allow remote access, so you can unlock a door to let in a guest while you're at work.

  6. May 1, 2023 · Compatibility. There are physical locks to fit any kind of door, but electronic door lock styles are more limited. That said, electronic door locks available for traditional swing doors, and electronic sliding door locks are becoming more common now too. Smart locks and home security.

  7. An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock.

  8. Oct 17, 2019 · What’s a multipoint lock? Multipoint locking systems provide an added layer of security to your front and back doors. Multipoint locks extend most, if not, the full height of the door and have multiple locking points along the edge of the door. Close-up and side view of the multipoint locking system on a hinged entry door. Credit: confused ...

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