Dictionary.com
Thesaurus.com

dehydrogenase

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

noun

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


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dehydrogenase

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

"We show in this study that CD8+ T cells indeed engage this metabolic pathway, and that an extensively characterized metabolic enzyme known as isocitrate dehydrogenase plays a central role in the process," said Ho.

From Science Daily Sep. 20, 2023

These enzymes are isocitrate dehydrogenase and α‑ketoglutarate dehydrogenase.

From Textbooks Jun. 9, 2022

White snakeroot is a plant that contains chemicals that deactivate the enzyme lactate dehydrogenase.

From Textbooks Jun. 9, 2022

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training