Archimedes' screw
or Archimedean screw
noun
a device consisting essentially of a spiral passage within an inclined cylinder for raising water to a height when rotated.
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Origin of Archimedes' screw
First recorded in 1860–65
Also called water snail.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for archimedes' screw
Archimedes' screw
Archimedean screw
/ (ˌɑːkɪˈmiːdɪən, -mɪˈdiːən) /
noun
an ancient type of water-lifting device making use of a spiral passage in an inclined cylinder. The water is raised when the spiral is rotated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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