单词 | latch |
释义 | latch/latʃ![]() noun 1A metal bar with a catch and lever used for fastening a door or gate: lifting the latch, she pushed the gate open...
Synonyms fastening, catch, fastener; clasp, hasp, hook, bar, bolt, clip; lock, padlock, deadlock; Scottish sneck, snib 1.1A spring lock for an outer door, which catches when the door is closed and can only be opened from the outside with a key.Within seconds, I had located the latch and opened the door....
2 Electronics A circuit which retains whatever output state results from a momentary input signal until reset by another signal.The binding latch remains in a reset state while the battery signal is applied....
verb [with object] 1Fasten (a door or gate) with a latch: she latched the door carefully...
Synonyms fasten, secure, make fast, bar, bolt; lock, padlock, deadlock; Scottish & Irish sneck, snib 2 [no object] Electronics (Of a device) become fixed in a particular state: the output relay can be set to latch at a preset value Phraseson the latch Phrasal verbslatch on latch on to OriginOld English læccan 'take hold of, grasp (physically or mentally'), of Germanic origin. Rhymes |
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