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Definition of Archimedean screw


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Archimedean screw
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Archimedean screw
Archimedean screw

NOUN:
An ancient apparatus for raising water, consisting of either a spiral tube around an inclined axis or an inclined tube containing a tight-fitting, broad-threaded screw. Also called Archimedes' screw.

ETYMOLOGY:
After Archimedes



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