: 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
Garcinia Cambogia prevents fat storage (lipogenesis) by inhibiting ATP citrate lyase, which is an enzyme that plays a role in this process.
—
Amber Smith, Discover Magazine, 3 Apr. 2024
Alcohol hinders the absorption of thiamine and interferes with the enzyme that converts it into a usable form in the body.19
Alcohol and Memory Loss
Alcohol has short- and long-term effects on your memory.
—Amanda MacMillan, Health, 26 Mar. 2024
See all Example Sentences for enzyme 
Amber Smith, Discover Magazine, 3 Apr. 2024
Alcohol hinders the absorption of thiamine and interferes with the enzyme that converts it into a usable form in the body.19
Alcohol and Memory Loss
Alcohol has short- and long-term effects on your memory.
—Amanda MacMillan, Health, 26 Mar. 2024
See all Example Sentences for enzyme
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'enzyme.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Enzyme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enzyme. Accessed 4 May. 2024.
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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