English dictionary



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English noun: reducer

1. reducer (substance) a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver


Synonymsreducing agent, reductant


Broader (hypernym)chemical agent


Narrower (hyponym)hydrazine

2. reducer (artifact) pipefitting that joins two pipes of different diameter


Broader (hypernym)pipe fitting, pipefitting









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