force pump

American  

noun

1. a pump that delivers a liquid under pressure, so as to eject it forcibly.

---

force pump British  

noun

1. a pump that ejects fluid under pressure Compare lift pump

---

Etymology

Origin of force pump

First recorded in 1650–60

Example Sentences

Using Archimedes’ ideas, Hellenistic scientists later built a force pump, pneumatic machines, and even a steam engine.

From Textbooks • Jan. 1, 2012

When the piston is driven downwards it pulls on a large beam which works a force pump.

From "The Invention of Science" by David Wootton

But—I felt now as if a force pump was connected with my chest, and that any moment it might burst asunder.

From A Maid of the Kentucky Hills by Litsey, Edwin Carlile

The resident engineer said, 'Compressed air will be too expensive for this one cylinder, but I think we can sufficiently clear the interior by a force pump and dredger for a diver to go down.'

From Scamping Tricks and Odd Knowledge Occasionally Practised upon Public Works by Newman, John Henry

To sink water was admitted, which gathered in the lower part of the boat, while to rise again this was expelled by a force pump.

From Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons by Abbot, Willis J. (Willis John)