: any of a group of enzymes that accelerate the phosphorylation of hexoses (as in the formation of glucose-6-phosphate from glucose and ATP) in carbohydrate metabolism

Examples of hexokinase in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These include enzymes like hexokinase helping to convert glucose into energy, Bikman explains. — Daryl Austin, USA Today, 27 June 2025

Word History

Etymology

hexose + kinase

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of hexokinase was in 1930

Browse Nearby Words

Cite this Entry

“Hexokinase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hexokinase. Accessed 5 Oct. 2026.

Medical Definition

: any of a group of enzymes that accelerate the phosphorylation of hexoses (as in the formation of glucose-6-phosphate from glucose and ATP) in carbohydrate metabolism

More from Merriam-Webster on hexokinase

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!