Archimedean adjective. [ɑ:kɪ'mi:dɪǝn] E19.
[from late Latin Archimedeus (formed as ARCHIMEDES) + -AN.]
Of, pertaining to, or invented by Archimedes.
Archimedean drill a drill in which to-and-fro motion along the axis of the drill produces alternating rotary motion of the bit. Archimedean screw an instrument for raising water by the turning of an inclined screw within a cylinder.

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