Archimedes' screw

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

An Archimedes' screw in water.
Animation showing how an Archimedes' screw functions. Alternatively, the cylindrical casing could be welded to and could rotate with the spiral screw.

Alternative forms[edit]

Noun[edit]

Archimedes' screw (plural Archimedes' screws)

  1. 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.

Translations[edit]