[dee-hahy-druh-juh-neys, -neyz]
noun Biochemistry.
an oxidoreductase enzyme that catalyzes the removal of hydrogen.

1920–25; dehydrogen(ate) + -ase Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dehydrogenase (diːˈhaɪdrədʒəˌneɪz)
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 10th Edition
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American Heritage
Medical Dictionary

dehydrogenase de·hy·dro·gen·ase (dē'hī-drŏj'ə-nās', -nāz', dē-hī'drə-jə-)
An enzyme that catalyzes the removal and transfer of hydrogen from a substrate in an oxidation-reduction reaction.

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Example sentences
The former has been implicated in celiac disease, while the latter is an alcohol dehydrogenase locus.
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