请输入您要查询的英文单词:

 

单词 polyspast
释义

polyspast

/ˈpɒlɪspast/
(also polyspaston) Now historical
noun
A winch or lifting device incorporating a system of several pulleys. Also (Surgery ): †an apparatus for reducing a dislocated joint ( obsolete ).
  • In later use only with reference to the machine described by Vitruvius..

Origin

Mid 17th century; earliest use found in John Wilkins (1614–1672), theologian and natural philosopher. From classical Latin polyspaston compound pulley (Vitruvius), in post-classical Latin also an apparatus for reducing a dislocated joint from Hellenistic Greek πολύσπαστον compound pulley, use as noun of neuter of πολύσπαστος drawn by many cords from ancient Greek πολυ- + σπᾶν to draw + -τος, suffix forming verbal adjectives.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 9:46:07