An Ancient Greek mathematician, physicist and engineer. / (astronomy) A large lunar impact crater on the eastern edges of the Mare Imbrium.

plural of Archimedes screw

(mathematics) A spiral that increases in distance from the point of origin at a constant rate.

Alternative form of Archimedes' screw

(engineering) A screwlike device invented by Greek mathematician Archimedes, ca. 200 B.C.E., which when twisted inside a cylinder, raises water from a lower level to a higher level, allowing irrigation of fields.

plural of Archimedes' screw

(mathematics, chiefly historical) Synonym of pi

(fluid dynamics) A law that states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially, is equal to the weight of the fluid that the body displaces.

plural of spiral of Archimedes