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[dawr-stop, dohr-] /ˈdɔrˌstɒp, ˈdoʊr-/
a device for holding a door open, as a wedge or small weight.
Also called slamming stile, stop. (in a doorframe) a strip or projecting surface against which the door closes.
a device for preventing a door from striking a wall or an object on a wall, as a small rubber-covered projection.
1870-75, Americanism; door + stop Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for doorstop
  • It is daunting in its resemblance to a giant doorstop.
  • You'd get as much value from this book if you used it as a doorstop.
  • And without the right software, the dongle is a mindless doorstop.
  • doorstop biographies nearly always get mired in chronology and minutiae.
  • There is no doubt that there are many ways common and mysterious to use a book, from reading to doorstop.
  • We found an apparently injured pigeon on our doorstop and have been caring for it.
  • Measuring the clear opening from the face of the doorstop on the frame to the face of the open door.
  • At the moment, air exchange is permitted by a rubber doorstop in the sliding door channel.
  • The remaining four were rescheduled due to a shortage of certified doorstop carriers.
British Dictionary definitions for doorstop


a heavy object, wedge, or other device which prevents an open door from moving
a projecting piece of rubber, etc, fixed to the floor to stop a door from striking a wall
(informal) a very thick book
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
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doorstop in Technology

Used to describe equipment that is non-functional and halfway expected to remain so, especially obsolete equipment kept around for political reasons or ostensibly as a backup. "When we get another Wyse-50 in here, that ADM 3 will turn into a doorstop."
Compare boat anchor.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Encyclopedia Article for doorstop

usually decorative and invariably heavy object used to prevent doors from swinging shut. Doorstops came into use about 1775 following the introduction of the rising butt, a type of hinge designed to close a door automatically. Many stops took the form of famous persons, such as Napoleon, Shakespeare, Wellington, Gladstone, and Disraeli. Animal forms were also popular

Learn more about doorstop with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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