| 单词 | deadbolt |
| 释义 | deadbolt (once / 1074483 pages) n A deadbolt is a type of lock that you need a key to open. It's very common to have a deadbolt on an apartment door or the front door of a house. When you turn a key in the lock of a deadbolt, the bolt slides in or out of an opening in the door jamb. Deadbolts are considered to be secure locks that are difficult to open without a key, especially when compared to a spring-loaded lock, the kind you see in the center of a doorknob. While spring latches can be pushed back manually, deadbolts can't — which is why they're called deadbolts. They're dead, or unmovable. WORD FAMILYdeadbolt USAGE EXAMPLESFeatures: Houses have two- or three-car garages, fiberglass entry door with Schlage doorknob and deadbolt, asphalt driveway and concrete walkway and stoop. Washington Post(Nov 21, 2016) “The deadbolt was locked from the inside,” he said. Washington Times(Oct 28, 2016) Kardashian’s apartment door was secured only by a lock, not even a deadbolt, the guard said. Los Angeles Times(Oct 20, 2016) n the part of a lock that is engaged or withdrawn with a key Syn|Hypo|Hyper bolt safety bolt, safety lock a bolt that cannot be moved from outside the door or gate bar a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon |
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