- a pump for raising water or other fluids by suction, consisting essentially of a vertical cylinder in which a piston works up and down, both the cylinder and the pump having valves that control the flow of the fluid.
Origin of suction pump
First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for suction pump
I'm in that Starwhon coal-mine down at Bethbridge, and it's like a suction-pump.You Never Know Your Luck, Complete
The ordinary pump, commonly called the suction-pump, is constructed on this principle.
With the aid of a suction-pump, the greater portion of the thick, crude solution can be filtered through.
This involved the use of a suction-pump and called for a special installation for maintaining the pressure of water constant.
The Scaritt's window-shades always rolled; their doorbell always rang with a satisfactory zing; their suction-pump never stuck.Half Portions
- a pump for raising water or other fluid by suction. It usually consists of a cylinder containing a piston fitted with a flap valve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012