: 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
This helps rehydrate uric acid crystals and increases enzyme penetration, explains Gonzalez.
—
Louise Parks, Martha Stewart, 21 May 2026
With a bright green, mint-scented formula, Tata Harper’s Clarifying Cleanser stars prickly pear enzymes, willow bark extract, lactic, citric, and salicylic acids to speed up skin cell turnover and balance oil production.
—Sarah Felbin, Allure, 20 May 2026
The bacterium started by producing an enzyme to break the polymer chain comprising the material into pieces.
—Elizabeth MacBride, CNBC, 19 May 2026
Oatmeal, especially when soaked or fermented before cooking, activates natural enzymes that help break down difficult-to-digest compounds.
—Lana Barhum, Verywell Health, 18 May 2026
See All Example Sentences for enzyme
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Louise Parks, Martha Stewart, 21 May 2026
With a bright green, mint-scented formula, Tata Harper’s Clarifying Cleanser stars prickly pear enzymes, willow bark extract, lactic, citric, and salicylic acids to speed up skin cell turnover and balance oil production.
—Sarah Felbin, Allure, 20 May 2026
The bacterium started by producing an enzyme to break the polymer chain comprising the material into pieces.
—Elizabeth MacBride, CNBC, 19 May 2026
Oatmeal, especially when soaked or fermented before cooking, activates natural enzymes that help break down difficult-to-digest compounds.
—Lana Barhum, Verywell Health, 18 May 2026
See All Example Sentences for enzyme
Cite this Entry
“Enzyme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enzyme. Accessed 27 May. 2026.
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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