dehydrogenase

American  

[dee-hahy-druh-juh-neys, -neyz] / diˈhaɪ drə dʒəˌneɪs, -ˌneɪz /

noun

Biochemistry.

1. an oxidoreductase enzyme that catalyzes the removal of hydrogen.

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dehydrogenase British  

/ diːˈhaɪdrədʒəˌneɪz /

noun

1. an enzyme, such as any of the respiratory enzymes, that activates oxidation-reduction reactions by transferring hydrogen from substrate to acceptor

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Etymology

Origin of dehydrogenase

First recorded in 1920–25; dehydrogen(ate) + -ase

Example Sentences

Fomepizole works by blocking enzymes known as alcohol dehydrogenase, stopping the body from converting ethylene glycol and methanol into toxic byproducts.

From Science Daily • Jan. 18, 2026

They found that the same aldehyde dehydrogenase gene in the lovebirds to express at high level in yellow psittacofulvin-containing feathers, but not in red feathers.

From Science Daily • Nov. 15, 2024

Within the standard therapy group, the researchers discovered that patients who had a high tumor burden or elevated levels of the enzyme lactate dehydrogenase had shorter event-free survival.

From Science Daily • Jan. 17, 2024

These enzymes are isocitrate dehydrogenase and α‑ketoglutarate dehydrogenase.

From Textbooks • Jun. 9, 2022

Glyceraldehyde-3-phosphate dehydrogenase converts each three-carbon glyceraldehyde-3-phosphate produced during the energy-consuming phase into 1,3-bisphosphoglycerate.

From Textbooks • Jun. 19, 2013