the act, process, or condition of sucking.
the force that, by a pressure differential, attracts a substance or object to the region of lower pressure.
the act or process of producing such a force.
verb (used with object)
to draw out or remove by aspiration.

1605–15; < Late Latin sūctiōn- (stem of sūctiō) a sucking, equivalent to Latin sūct(us) (past participle of sūgere to suck) + -iōn- -ion

suctional, adjective
nonsuction, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To suction
World English Dictionary
suction (ˈsʌkʃən)
1.  the act or process of sucking
2.  the force or condition produced by a pressure difference, as the force holding a suction cap onto a surface
3.  the act or process of producing such a force or condition
[C17: from Late Latin suctiō a sucking, from Latin sūgere to suck]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1626, from L.L. suctionem (nom. suctio), noun of action from L. suctus, pp. of sugere "to suck" (see suck).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Science Dictionary
suction   (sŭk'shən)  Pronunciation Key 
  1. A force acting on a fluid caused by difference in pressure between two regions, tending to make the fluid flow from the region of higher pressure to the region of lower pressure.

  2. The act of reducing pressure to create such a force, as by the use of a pump or fan.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Many of them could resist the suction of even our industrial-strength vacuum
Each is fitted with a roof for shade, a large motor on deck and a huge suction
  pipe running from the stern into the water.
Thanks guys, you have made the comments suction as interesting as the article
But if you want to suck up, don't apply suction to lower-middle management,
  which is who drinks white wine.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature