Definition of reductase in US English:



  • usually with modifier An enzyme which promotes the chemical reduction of a specified substance.

    • ‘The enzymatic mechanism of detoxification involves dehydroascorbate reductase, glutathione reductase and other enzymes.’
    • ‘These enzymes are thioredoxin reductase and glutathione reductase respectively.’
    • ‘Nitrate reduction is catalysed by nitrate reductase and nitrite reductase.’
    • ‘Sulphate reduction is initiated and carried out by the enzyme APS reductase in leaf and root plastids.’
    • ‘The polyol pathway uses the enzyme aldose reductase to convert glucose to sorbitol.’