[ hek-suh-kahy-neys, -neyz ]
/ ˌhɛk səˈkaɪ neɪs, -neɪz /

noun Biochemistry.

an enzyme that catalyzes the phosphorylation of hexose sugars.

Origin of hexokinase

First recorded in 1925–30; hexo(se) + kinase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for hexokinase


[ hĕk′sə-kīnās′, -nāz′, -kĭnās′, -āz′ ]


A transferase enzyme present in yeast, muscle, and other tissues, that acts during carbohydrate metabolism to catalyze the transfer of phosphate from ATP to glucose and other hexoses.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.