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 body also uses protein to make hormones, enzymes, and vitamins.3 Protein is made up of amino acids. Isabel Vasquez Rd Ldn, Health, 24 June 2025 The manufacturing process involves cooking the starches, then adding acids or enzymes, such as heat-stable bacterial alpha-amylase, to break it down further. Scott Lafee, San Diego Union-Tribune, 17 June 2025 Tests showed Ava had low platelet counts, low blood cell counts, high liver enzymes and low blood pressure, according to the release. Jennifer Rodriguez, Kansas City Star, 17 June 2025 Arvind and Fashion for Good aren’t naming names right now but the technologies will span a gamut, from low-temperature enzyme pre-treatment to waterless dye carriers to heat and water recovery systems. Jasmin Malik Chua, Sourcing Journal, 3 June 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 1 Jul. 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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