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Archimedes' screw

noun
1.
a device consisting essentially of a spiral passage within an inclined cylinder for raising water to a height when rotated.
Also, Archimedean screw.
Also called water snail.
Origin
1860-1865
1860-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for archimedean screw

Archimedes' screw

/ˌɑːkɪˈmiːdɪən, -mɪˈdiːən/
noun
1.
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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