Reducer
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 (def 2).
Historical Examples
The alkali sets the reducer in action and is called the accelerator.
The Barnet Book of Photography Various
Or, is it king Nala the reducer of hostile towns that hath come here?
Mahabharata of Krishna-Dwaipayana Vyasa Bk. 3 Pt. 1 Krishna-Dwaipayana Vyasa
Helen’s next remark was in the natures of a reducer for the said expansion.
The Portygee Joseph Crosby Lincoln
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
He is not to be dreaded by widows and orphans; he is a reducer of surplusage.
The Gentle Grafter O. Henry
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
The destroyer of enemies,” “the reducer of the disobedient,” “the exterminator of rebels,” “he whose sword is good.
Tradition John Francis Arundell
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 compounds Compare intensifier (sense 3)
a pipe fitting connecting two pipes of different diameters
a person or thing that reduces
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to bring down to a smaller extent, size, amount, number, etc.: to reduce one’s weight by 10 pounds. to lower in degree, intensity, etc.: to reduce the speed of a car. to bring down to a lower rank, dignity, etc.: a sergeant reduced to a corporal. to treat analytically, as a complex idea. to lower […]
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the act of or the state of being . the amount by which something is or diminished. a form produced by ; a copy on a smaller scale. Cell Biology. meiosis, especially the first meiotic cell division in which the chromosome number is by half. Chemistry. the process or result of . Movies. the process […]
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of or relating to ; serving to reduce or abridge: an urgent need for reductive measures. of or relating to change from one form to another: reductive chemical processes. employing an analysis of a complex subject into a simplified, less detailed form; of, pertaining to, or employing ; reductionistic. something causing or inducing a reductive […]
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a thin film consisting of one or more layers of transparent material applied to lenses to reduce .
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