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Archimedean screw


Definition of Archimedean screw

noun

  • a device invented by Archimedes for raising water by means of a helix rotating within a tube.

Archimedean screw in other Oxford dictionaries

Definition of Archimedean screw in the US English dictionary
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kempt

/ kɛm(p)t /
adjective
maintained in a neat and clean condition …