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spiral pump

noun

spiral pump

noun
1

A type of centrifugal pump that utilizes a spiral-shaped impeller to move fluids.

  • The spiral pump is a very curious hydraulic engine, which operates on nearly the same principle as the Hungarian machine.1825, John Nicholson, The Operative Mechanic, and British Machinist, page 237:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.