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restrainer

NOUN
  1. a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film
  2. a person who directs and restrains

How To Use restrainer In A Sentence

  • Restrainers both slow the rate of development and prevent unwanted fog.
  • Rats were restrained by putting them in cylindrical restrainers 5.5 cm in inner diameter and 20 cm in length, with small holes in the front end for ventilation.
  • Ammonium chloride is an effective restrainer, but gives off a strong ammoniacal smell and may shift print color toward the red.
  • In '99, players removed the speed restrainers from carts and tried to add a few thrills to their free time.
  • It is time to identify the ineffective policies and real restrainers to the provision of affordable housing and stop the generalisation that the local landowner is always to blame.
  • Most of my experiments were based on the usual rules: a developer needs, beside the ‘developing agent, ‘a preservative, an accelerator, and sometimes a restrainer.’
  • Hurriedly, Brant threw off the hands of his restrainers and flew across the room to the door.
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