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.
Here, in Lancer’s The Method Polish, enzymes and physical exfoliants sync up to reveal a softer, dewier complexion. Jenny Berg, Vogue, 13 June 2025 Unfortunately, both alcohol and peroxide can irritate gums and cause gum sensitivity—this formulation uses a combination of natural enzymes and gentle oxidizers to lift surface stains on the teeth and prevent new ones from forming. Daley Quinn, Glamour, 11 June 2025 In people with a rare genetic deficiency of an enzyme called G6PD, methylene blue can cause a dangerous condition in which red blood cells break down too quickly. Lorne J. Hofseth, The Conversation, 3 June 2025 At the time, Biocon was still making industrial enzymes and had no experience in the drugmaking business. Amy Feldman, Forbes.com, 26 May 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 18 Jun. 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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