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

Other Words From

• anti·re·ducer noun

Word History and Origins

Origin of reducer¹

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

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.

From Popular-Science

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

From TechCrunch

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg