reducer

[ ri-doo-ser, -dyoo- ]

/ rɪˈdu sər, -ˈdyu- /

noun

a person or thing that reduces.

Photography.

an oxidizing solution for lessening the density of an exposed negative.
a developing agent.

(in plumbing) a coupling decreasing in diameter at one end.Compare increaser(def 2).

Words nearby reducer

reduced hematin, reduced hemoglobin, reduced level, reduced mass, reduced paid-up insurance, reducer, reducible, reducible hernia, reducing agent, reducing glass, reduct

Origin of reducer

First recorded in 1520–30; reduce + -er¹

OTHER WORDS FROM reducer

an·ti·re·duc·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for reducer

He is not to be dreaded by widows and orphans; he is a reducer of surplusage.
The Gentle Grafter|O. Henry
The destroyer of enemies,” “the reducer of the disobedient,” “the exterminator of rebels,” “he whose sword is good.
Tradition|John Francis Arundell
The alkali sets the reducer in action and is called the accelerator.
The Barnet Book of Photography|Various
Very many, if not most, slides are all the better for just a touch of a "reducer" such as follows:—The ordinary "hypo."
The Barnet Book of Photography|Various

To prepare this reducer, take one part varnish (the same varnish to be reduced), and two parts of turpentine.
Advanced Toy Making for Schools|David M. Mitchell

British Dictionary definitions for reducer

reducer

/ (rɪˈdjuːsə) /

noun

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)

a pipe fitting connecting two pipes of different diameters

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