sump pump

sump pump

noun
a pump for removing liquid or wastes from a sump.

Origin:
1895–1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Sump pump is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Encyclopedia Britannica
Encyclopedia

sump pump

device that removes accumulations of water or other liquids from a sump pit, the lowest point in a drainage system. If the sump pit is wet only intermittently (e.g., the basement sump of a house), a self-priming pump is used, generally one equipped with a mechanism to start it automatically as needed. If the sump is always wet (e.g., the oil sump in an automobile engine or the water sump in a mine), a non-self-priming pump may be allowed to run continuously

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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