reductases From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn enzyme that chemically reduces its substrate. Related wordsSynonymsdissimilatorynitriteribonucleotidereductreductantreduviidreductivelyreductionreductivismreductioreductionsreducerreduviidaereductionalreduciblereduplicative References Wiktionary — reductases Wikipedia — reductases