: 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
Recent Examples on the Web
The genomic data could also support the search for new gene-editing tools, antimicrobial peptides, and biotechnology products that rely on stable, highly precise enzymes.
—
Sujita Sinha, Interesting Engineering, 1 Dec. 2025
Great Bay's project developed a new enzyme for treating indoor mold.
—Henry Schuster, CBS News, 1 Dec. 2025
Wash on the regular cycle and use a heavy-duty detergent containing enzymes to break apart soil and stains.
—Mary Marlowe Leverette, Southern Living, 29 Nov. 2025
Berberine supplements, on the other hand, activate AMPK enzymes in your body, which work to regulate metabolism (offering potential benefits for weight loss), Lee said.
—Caroline C. Boyle, USA Today, 28 Nov. 2025
See All Example Sentences for enzyme
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Sujita Sinha, Interesting Engineering, 1 Dec. 2025
Great Bay's project developed a new enzyme for treating indoor mold.
—Henry Schuster, CBS News, 1 Dec. 2025
Wash on the regular cycle and use a heavy-duty detergent containing enzymes to break apart soil and stains.
—Mary Marlowe Leverette, Southern Living, 29 Nov. 2025
Berberine supplements, on the other hand, activate AMPK enzymes in your body, which work to regulate metabolism (offering potential benefits for weight loss), Lee said.
—Caroline C. Boyle, USA Today, 28 Nov. 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 4 Dec. 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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