Archimedes’ screw

a device consisting essentially of a spiral passage within an inclined cylinder for raising water to a height when rotated.
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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  • Archimedean solid

    archimedean solid Archimedean solid (är’kə-mē’dē-ən, -mĭ-dē’-) A polyhedron whose faces are regular polygons and whose angles are all congruent. The faces may all be of the same type, in which case the solid is a regular polyhedron, or may be of different types. There are only thirteen Archimedean solids. See more under polyhedron.

  • Archimedes

    287?–212 b.c, Greek mathematician, physicist, and inventor: discovered the principles of specific gravity and of the lever. Contemporary Examples Beethoven took long walks, Jung said, and Archimedes, hot baths. World Science Festival: Can We Really Live to 1,000? Casey Schwartz June 4, 2011 Historical Examples Archimedes defines a straight line as the shortest distance between […]

  • Archimedes principle

    the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body. noun a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced […]

  • Archine

    . noun a Russian unit of length equal to about 71 cm

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