Archimedean drill

Archimedean drill
Archimedean drill noun
A drill in which to-and-fro movement of a nut on a helix causes alternating rotary motion of the bit
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Main Entry:Archimedean

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  • Archimedean — Ar chi*me*de an, a. [L. Archimedeus.] Of or pertaining to Archimedes, a celebrated Greek philosopher; constructed on the principle of Archimedes screw; as, Archimedean drill, propeller, etc. [1913 Webster] {Archimedean screw}, or {Archimedes… …   The Collaborative International Dictionary of English

  • Archimedean screw — Archimedean Ar chi*me*de an, a. [L. Archimedeus.] Of or pertaining to Archimedes, a celebrated Greek philosopher; constructed on the principle of Archimedes screw; as, Archimedean drill, propeller, etc. [1913 Webster] {Archimedean screw}, or… …   The Collaborative International Dictionary of English

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