galactosidase

noun

ga·​lac·​to·​si·​dase gə-ˌlak-ˈtō-sə-ˌdās How to pronounce galactosidase (audio)
-zə-ˌdāz
: an enzyme (such as lactase) that hydrolyzes a galactoside

Examples of galactosidase 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.
Here, too, beta-galactosidase and other compounds linked to senescence appeared in mouse embryos. Amber Dance, Smithsonian Magazine, 29 Dec. 2022 Scientists have found a handy way to identify many senescent cells by using stains that turn blue in the presence of a lysosome enzyme, called beta-galactosidase, that’s often overactive in these cells. Amber Dance, Smithsonian Magazine, 29 Dec. 2022 Or test your tolerance for small portions of less-gassy legumes like lentils and chickpeas with the aid of a bean-fiber-busting enzyme supplement called alpha galactosidase. SELF, 30 Nov. 2018

Word History

Etymology

galactoside + -ase (perhaps after French galactosidase)

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of galactosidase was in 1914

Dictionary Entries Near galactosidase

Cite this Entry

“Galactosidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/galactosidase. Accessed 23 Nov. 2024.

Medical Definition

galactosidase

noun
ga·​lac·​to·​si·​dase gə-ˌlak-ˈtō-sə-ˌdās, -zə-ˌdāz How to pronounce galactosidase (audio)
: an enzyme (as lactase) that hydrolyzes a galactoside

More from Merriam-Webster on galactosidase

Love words? Need even more definitions?

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