Ar·chi·me·des' screw (är k -m  dz)n. See Archimedean screw. |
Archimedes' screw, Archimedean screw [ˌɑːkɪˈmiːdɪən, -mɪˈdiːən]
n
(Engineering / Mechanical Engineering) 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
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