isomerase
noun
isom·er·ase
ī-ˈsä-mə-ˌrās 
-ˌrāz
: an enzyme that catalyzes the conversion of its substrate to an isomeric form
Examples of isomerase in a Sentence
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These include oxidoreductases, transferases, hydrolases, lyases, isomerases and ligases, a categorization Farina says is foundational to understanding enzyme functionality.
—
Daryl Austin, USA Today, 27 June 2025
One study showed that xylose isomerase supplementation significantly decreased nausea, vomiting, and breath hydrogen in people with fructose intolerance.
—Devineé Lingo, M.s., Health, 1 Nov. 2024
The Giardia assemblages were determined using the glutamate dehydrogenase (GDH) β-giardin and triose phosphate isomerase (TPI) genes and the Cryptosporidium species were determined using the heat shock protein-70 gene.
—Seriously Science, Discover Magazine, 8 Oct. 2014
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Daryl Austin, USA Today, 27 June 2025
One study showed that xylose isomerase supplementation significantly decreased nausea, vomiting, and breath hydrogen in people with fructose intolerance.
—Devineé Lingo, M.s., Health, 1 Nov. 2024
The Giardia assemblages were determined using the glutamate dehydrogenase (GDH) β-giardin and triose phosphate isomerase (TPI) genes and the Cryptosporidium species were determined using the heat shock protein-70 gene.
—Seriously Science, Discover Magazine, 8 Oct. 2014
Cite this Entry
“Isomerase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isomerase. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
isomerase
noun
isom·er·ase
ī-ˈsäm-ə-ˌrās, -ˌrāz
: an enzyme that catalyzes the conversion of its substrate to an isomeric form
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