# reductase

CEFR C1 · Noun

Source: https://englishreference.com/word/reductase
Updated: 2026-05-30

## Definition

a type of enzyme that helps move electrons from one substance to another. It is often used in the body to build or break down chemicals.

For teachers: an enzyme that catalyses the transfer of electrons from a reductant to an oxidant. Typically functions in metabolic pathways involving the synthesis of complex molecules.

## Examples

- The body uses a specific reductase to make cholesterol.
- Scientists are studying how a particular reductase helps plants convert sunlight into energy more efficiently.
- Inhibitors of this specific reductase are commonly prescribed to lower cholesterol levels by blocking the liver's ability to synthesize the compound from dietary fats.

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