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单词 overlift
释义

overliftn.

Brit. /ˈəʊvəlɪft/, U.S. /ˈoʊvərˌlɪft/
Origin: Formed within English, by conversion. Etymon: overlift v.
Etymology: < overlift v.
rare.
The action or an act of overlifting something.Originally: the process in a lock by which a bolt is secured when one of the tumblers is overlifted.
ΘΚΠ
society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > lock > part of lock > tumbler > overlift
overlift1850
1850 J. Chubb Constr. Locks & Keys 27 If the tumbler was lifted any higher, it caught the bolt anew, and (by what was called ‘overlift’) detained it as securely, as if the tumbler had not been lifted high enough.
1985 Transportation Res. Rec. No. 1042 (Abstr.) The best results are achieved with a closely controlled overlift of the weld.
2000 National Public Radio (Nexis) 30 June It [sc. a feather] would sure provide a lot of lift if you had to glide. In fact, this thing's overlift. It's a better glider than it ought to be in some ways.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).

overliftv.

Brit. /ˌəʊvəˈlɪft/, U.S. /ˌoʊvərˈlɪft/
Origin: Formed within English, by derivation. Etymons: over- prefix, lift v.
Etymology: < over- prefix + lift v. Compare earlier overlifting n.
transitive. To lift too high; to raise beyond the proper point. Chiefly used with reference to a tumbler or detector in a lock.
ΘΚΠ
the world > movement > motion in a certain direction > upward movement > raising > make to go up or cause to rise [verb (transitive)] > lift or take up > too high
overhighc1440
overlift1833
1833 J. Holland Treat. Manuf. Metal II. 275 His success in this attempt was not better than before, for he overlifted the detector of each lock.
1850 J. Chubb Constr. Locks & Keys 27 If the step was too long, the tumbler would be overlifted, and thereby detain the bolt.
1878 Johnson's New Universal Cycl. (new ed.) III. 82/2 After three months' trial, during which the detector was constantly overlifted, he gave up the attempt, stating that Chubb's were the securest locks he had seen.
1993 Mech. Engin. (Nexis) 115 62 In due course, levers were constructed that were double-acting; that is, they would continue to block bolt movement if they were under- or overlifted.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
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n.1850v.1833
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