antireducer

reducer

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

Origin:
1520–30; reduce + -er1

antireducer, noun
Dictionary.com Unabridged
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World English Dictionary
reducer (rɪˈdjuːsə)
 
n
1.  photog Compare intensifier a chemical solution used to lessen the density of a negative or print by oxidizing some of the blackened silver to soluble silver compounds
2.  a pipe fitting connecting two pipes of different diameters
3.  a person or thing that reduces

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