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definitions

reducer

[ri-doo-ser, -dyoo-]
noun
  1. a person or thing that reduces.
  2. Photography.
    1. an oxidizing solution for lessening the density of an exposed negative.
    2. a developing agent.
  3. (in plumbing) a coupling decreasing in diameter at one end.Compare increaser(def 2).

Origin of reducer

First recorded in 1520–30; reduce + -er1
Related formsan·ti·re·duc·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for reducer

Historical Examples of reducer

  • Helen's next remark was in the natures of a reducer for the said expansion.

    The Portygee

    Joseph Crosby Lincoln

  • The alkali sets the reducer in action and is called the accelerator.

  • He is not to be dreaded by widows and orphans; he is a reducer of surplusage.

  • Or, is it king Nala the reducer of hostile towns that hath come here?

  • The destroyer of enemies,” “the reducer of the disobedient,” “the exterminator of rebels,” “he whose sword is good.

    Tradition

    John Francis Arundell

British Dictionary definitions for reducer

reducer

noun
  1. photog a chemical solution used to lessen the density of a negative or print by oxidizing some of the blackened silver to soluble silver compoundsCompare intensifier (def. 3)
  2. a pipe fitting connecting two pipes of different diameters
  3. a person or thing that reduces
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