Archimedes' screwArchimedes' screw
an ancient water-raising device attributed to Archimedes, made up of a spiral tube coiled about a shaft or of a large screw in a cylinder, revolved by hand
See Archimedean screw.
(plural Archimedes' screws)
- A screwlike device invented by Greek mathematician Archimedes, ca. 200 BCE, which when twisted inside a cylinder, raises water from a lower level to a higher level, allowing irrigation of fields.
(plural Archimedes screws)
- Alternative form of Archimedes' screw.