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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 ).


reducer

/ rɪˈdjuːsə /

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 compounds Compare intensifier
  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


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Other Words From

  • anti·re·ducer noun
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Word History and Origins

Origin of reducer1

First recorded in 1520–30; reduce + -er 1
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Example Sentences

The greater blood flow can also lead to a large release of endorphins—hormones that act as a natural pain reducer throughout the body.

Research and development efforts should be directed to key components such as cutting-edge sensors and precision reducers for factory robots, he says.

Most high and mighty Czar of all flesh, ceaseless reducer of empires, unfathomable glutton in the whole realms of nature.

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

Succedaneum for Chrysarobin; very active reducer or "reactive."

Very many, if not most, slides are all the better for just a touch of a "reducer" such as follows:—The ordinary "hypo."

To prepare this reducer, take one part varnish (the same varnish to be reduced), and two parts of turpentine.

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