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单词 trispast
释义

trispastn.

/ˈtrɪspast/
Etymology: < Latin trispastos (Vitruvius), < Greek τρίσπαστος adjective, < τρι- tri- comb. form + σπᾶν to draw, pull.
rare.
An (ancient) apparatus with three pulleys for hoisting heavy weights.
ΘΚΠ
society > occupation and work > equipment > lifting or hoisting equipment > [noun] > tackle > pulley
winchc1050
sheave1336
pulley1357
trice1357
truckle1417
shiver1485
trace-wheel1519
truckle-wheel1533
pullace1545
pullishee1635
wince1688
trispast1706
block-pulley1864
1706 Phillips's New World of Words (new ed.) Trispast (Gr.), an Engine that consists of three Pulleys.
1813 J. M. Good et al. Pantologia Trispast, in mechanics, a machine with three pulleys, or an assemblage of three pulleys for raising of great weights.
This entry has not yet been fully updated (first published 1915; most recently modified version published online September 2018).
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n.1706
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