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ARCHIMEDEAN - 2 reference results
Archimedean screw
or Archimedes' screw

Machine for raising water, said to have been invented by Archimedes for removing water from the hold of a large ship. One form consists of a circular pipe enclosing a helix and inclined at an angle of about 45°, with its lower end dipped in the water; rotation of the device lifts the water in the pipe. Other forms consist of a helix revolving in a fixed cylinder or a helical tube wound around a shaft.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Archimedean
Jan 01, 1996; Archimedean (mathematical) A number series is Archimedean if: x2200; x x2200; y x2203;n)(0 < x < y → y < n x )...
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Archimedean solid
Jan 01, 2005; Archimedean solid A convex polyhedron is called semi‐regular if the faces are regular polygons, though not all congruent,...
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Platonic and Archimedean Solids
Aug 01, 2002; Platonic and Archimedean Solids. Daud Sutton. Walker and Company, 435 Hudson St., New York, NY 100 14. 58 pp. 2002. ISBN...
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Archimedean point
Jan 01, 1997; Archimedean point: see CULTURAL RELATIVITY AND RELIGION .
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Archimedean spiral
Jan 01, 2005; Archimedean spiral A curve whose equation in polar coordinates is r = aθ , where a (> 0) is a constant. In the figure,...
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