hydroxylase

noun

hy·​drox·​y·​lase hī-ˈdräk-sə-ˌlās How to pronounce hydroxylase (audio)
-ˌlāz
: any of a group of enzymes that catalyze oxidation reactions in which one of the two atoms of molecular oxygen is incorporated into the substrate and the other is used to oxidize NADH or NADPH

Examples of hydroxylase in a Sentence

Recent Examples on the Web That’s because those born with PKU have inherited a gene mutation that prevents an enzyme called phenylalanine hydroxylase (PAH) from converting phenylalanine into stuff that your body can use. Bruce Y. Lee, Forbes, 18 Feb. 2024 Alpha-hydroxylase enzymes and VDRs, both of which contribute to glucose tolerance and resistance, are present in the insulin-producing beta cells in the pancreas. Amber Smith, Discover Magazine, 15 Dec. 2022 Serotonin is produced in the gut by a biochemical conversion between tryptophan and its catalyst, tryptophan hydroxylase. Natalie Meade, Quartz, 24 Apr. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydroxylase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of hydroxylase was in 1953

Dictionary Entries Near hydroxylase

Cite this Entry

“Hydroxylase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroxylase. Accessed 21 Apr. 2024.

Medical Definition

hydroxylase

noun
hy·​drox·​y·​lase hī-ˈdräk-sə-ˌlās, -ˌlāz How to pronounce hydroxylase (audio)
: any of a group of enzymes that catalyze oxidation reactions in which one of the two atoms of molecular oxygen is incorporated into the substrate and the other is used to oxidize NADH or NADPH
Last Updated: - Updated example sentences
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