: any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures
Examples of enzyme in a Sentence
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The luxe liquid exfoliates skin with tiny pieces of volcanic rock, eliminates garlic and onion odors with bread yeast enzymes, and softens hands with olive oil esters.
—
Mark Marino, Bon Appetit Magazine, 31 Oct. 2025
Other methods use enzymes to isolate cells, but those procedures are time consuming and can threaten useful cell characteristics.
—Perri Thaler, IEEE Spectrum, 30 Oct. 2025
Best of all, there was news of an experimental enzyme that had given Ben and his family hope.
—Nick Stern, Rolling Stone, 30 Oct. 2025
Buck shared the 2004 medicine prize for discoveries of odorant receptors and Blackburn shared the 2009 prize (with Carolyn Greider and Jack Szostak) for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase.
—Scott Lafee, San Diego Union-Tribune, 28 Oct. 2025
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Mark Marino, Bon Appetit Magazine, 31 Oct. 2025
Other methods use enzymes to isolate cells, but those procedures are time consuming and can threaten useful cell characteristics.
—Perri Thaler, IEEE Spectrum, 30 Oct. 2025
Best of all, there was news of an experimental enzyme that had given Ben and his family hope.
—Nick Stern, Rolling Stone, 30 Oct. 2025
Buck shared the 2004 medicine prize for discoveries of odorant receptors and Blackburn shared the 2009 prize (with Carolyn Greider and Jack Szostak) for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase.
—Scott Lafee, San Diego Union-Tribune, 28 Oct. 2025
See All Example Sentences for enzyme
Cite this Entry
“Enzyme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enzyme. Accessed 8 Nov. 2025.
Copy CitationKids Definition
enzyme
noun
en·zyme
ˈen-ˌzīm 
: any of various complex proteins produced by living cells that bring about or speed up reactions (as in the digestion of food) without being permanently altered
enzymatic
adjective
ˌen-zə-ˈmat-ik
enzymatically
adverb
-ˈmat-i-k(ə-)lē
Medical Definition
enzyme
noun
en·zyme
ˈen-ˌzīm
: any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures
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