enzyme

noun

en·​zyme ˈen-ˌzīm How to pronounce enzyme (audio)
: 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
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.
The statement suggests that the patient’s liver enzymes were elevated, which often indicates damage to cells in the organ and is an issue that has been linked to some other obesity drugs. Annika Kim Constantino, CNBC, 14 Apr. 2025 Meanwhile, Herbivore relies on fruit enzymes to exfoliate while blue tansy calms redness. Conçetta Ciarlo, Vogue, 11 Apr. 2025 Next-generation MCGs have the potential to elevate patient care by filling the gap between EKGs and biomarker tests (which measure cardiac enzyme levels and take hours for lab analysis), and costly and complex MRI, PET, CT and invasive angiography procedures. Jack Hidary, Forbes.com, 9 Apr. 2025 Higher liver enzymes could be a sign of liver damage. Lindsay Curtis, Health, 8 Apr. 2025 See All Example Sentences for enzyme

Word History

Etymology

German Enzym, from Middle Greek enzymos leavened, from Greek en- + zymē leaven — more at juice

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of enzyme was in 1881

Cite this Entry

“Enzyme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enzyme. Accessed 22 Apr. 2025.

Kids Definition

enzyme

noun
en·​zyme ˈen-ˌzīm How to pronounce enzyme (audio)
: 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
ˌen-zə-ˈmat-ik
adjective
enzymatically
-ˈmat-i-k(ə-)lē
adverb

Medical Definition

enzyme

noun
en·​zyme ˈen-ˌzīm How to pronounce enzyme (audio)
: any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures

More from Merriam-Webster on enzyme

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