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[ri-strey-ner] /rɪˈstreɪ nər/
a person or thing that restrains.
Photography. a chemical added to a developer to retard its action.
Origin of restrainer
1560-70; restrain + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for restrainer
  • As a steer is being moved into the restrainer, it balks.
  • Another example is an earthquake restrainer attached to an existing bridge with resin bonded anchors.
  • If an animal is walking into the restrainer by itself, do not poke it with an electric prod.
  • In large commercial operations, a series of chutes and restrainer conveyers move the hogs into position for stunning.
  • So the restrainer cables kept these together in many cases.
  • There was some damage to some of the hinges without restrainer cables but hinges with restrainer cables stayed in place.
British Dictionary definitions for restrainer


a person who restrains
a chemical, such as potassium bromide, added to a photographic developer in order to reduce the amount of fog on a film and to retard the development
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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