Online Google Dictionary

latch 中文解釋 wordnet sense Collocation Usage
Verb
/laCH/,
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latches, plural;
  1. Fasten (a door or gate) with a latch
    • - she latched the door carefully
  2. (of a device) Become fixed in a particular state

Noun
  1. A metal bar with a catch and lever used for fastening a door or gate

  2. A spring lock for an outer door that catches when the door is closed and can only be opened from the outside with a key

  3. A circuit that retains whatever output state results from a momentary input signal until reset by another signal

  4. The part of a knitting machine needle that closes or opens to hold or release the wool


  1. fasten with a latch; "latch the door"
  2. spring-loaded doorlock that can only be opened from the outside with a key
  3. catch for fastening a door or gate; a bar that can be lowered or slid into a groove
  4. ISOFIX is the international standard for attachment points for child safety seats in passenger cars. A similar system is also known as LATCH ("Lower Anchors and Tethers for Children") in the United States and LUAS ("Lower Universal Anchorage System") or Canfix in Canada. ...
  5. In electronics, a latch is a kind of bistable multivibrator, an electronic circuit that has two stable states and therefore can store one bit of information. ...
  6. A latch (called sneck in Northern England) is a type of mechanical fastener that is used to join two (or more) objects or surfaces together while allowing for the regular or eventual separation of the objects or surfaces.
  7. A fastening for a door that has a bar that fits into a notch or slot, and is lifted by a lever or string from either side; A flip-flop electronic circuit; A latching; A crossbow; To close or lock as if with a latch
  8. (latched) Mechanically held in a pre-set position by means of a pawl or similar device, in readiness for tripping, for example a closed circuit-breaker or a bistable relay.
  9. (Latches) the most common are Butterfly. They offer the most secure latching system available on the market. The Butterfly latch is recessed into your case.
  10. (Latches) Failure to assert one's rights in a timely manner. If the delay is dilatory or unwarranted the claimant could lose his right to act.
  11. (Latches) Installed at all windows, working properly; no missing or damaged screws.
  12. (latches) Low-level mechanisms that are used to ensure single-threaded access to shared data structures in the SGA.
  13. (LATCHING (in meter relays)) A condition that requires the manual reset of a tripped relay. The tripped relay cannot be reset (re-energized) until the indicating pointer or display is in a non-alarm position.
  14. (Latching) A switch with an actuator that will maintain a chosen RF path whether or not voltage is continuously applied to the actuator after switching is accomplished. 98% of all commercial switches are latching switches. ...
  15. (Latching) Also called pulse latching, a mode of operation in which the switch remains in a preselected position whenever the actuating voltage is removed or interrupted, and holds that preselected position until a voltage is applied to another position.
  16. (Latching) Door to be held closed at centre by silent polypropylene friction catch with no moving parts. There shall be two rubber bumpers mounted close to top and bottom of frame to silence the closing of the door.
  17. (Latching) In order to feed successfully, the baby must “latch” on to the nipple. A baby who latches properly can consume several ounces of nourishing milk in one feeding, while simultaneously sucking out every last CC of sensuality and individual identity that the mother did not deliver with ...
  18. (Latching) In relay or switching technology, this refers to the ability to keep the contact status in place even if power is removed from the equipment.
  19. (latching) A means of holding together a pair of mated connectors such that they will not walk apart under vibration or other physical forces. This usually only applies to board-to-cable or cable-to-cable connectors.
  20. A mechanical device which automatically keeps a door closed until a deliberate action is used to retract it.
  21. To dream of a latch, denotes you will meet urgent appeals for aid, to which you will respond unkindly. To see a broken latch, foretells disagreements with your dearest friend. Sickness is also foretold in this dream.
  22. A beveled metal tongue operated by a spring-loaded knob or lever. The tongue's bevel lets you close the door and engage the locking mechanism, if any, without using a key. Contrasts with dead bolt.
  23. A device which holds a window shut, such as the latch at the meeting of a double hung window or one mounted on the stile of casement windows, often referred to as Lock.
  24. Uses lower anchors and tethers in the rear seats to secure child safety seats instead of seatbelts for improved safety and ease of use.
  25. A small bar raised or lowered by a latchlifter which is used to fasten gates or doors etc.