lysozyme
noun
ly·so·zyme
ˈlī-sə-ˌzīm 
: a basic bacteriolytic protein that hydrolyzes peptidoglycan and is present in egg white and in human tears and saliva
Examples of lysozyme in a Sentence
Recent Examples on the Web
The same is true of natural antimicrobial compounds in milk, including lactoferrin, lysozyme, and lactoperoxidase, which simply do not exist in raw or pasteurized milk in sufficient concentrations to have much effect on the quality of the end product.
—
Jeffrey Kluger, TIME, 20 Dec. 2024
There, in 1965, David Phillips, one of the pioneers of protein crystallography, first determined the structure of an enzyme: lysozyme, which the immune system uses to attack bacteria.
—Quanta Magazine, 26 June 2024
Active ingredients: Grapefruit seed extract, zinc, vitamin D3, lysozyme, lactoferrin, and lactoperoxidase Zymox Shampoo with Vitamin D3 is formulated to ease itchy, inflamed skin.
—Amber Smith, Discover Magazine, 23 Oct. 2022
Whole Foods issued a recall for Zerto Fontal cheese because the product contains egg lysozyme.
—Chris Smith, BGR, 6 Oct. 2022
All tested positive for lysozyme.
—Claudia Kalb, Scientific American, 27 Apr. 2021
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Jeffrey Kluger, TIME, 20 Dec. 2024
There, in 1965, David Phillips, one of the pioneers of protein crystallography, first determined the structure of an enzyme: lysozyme, which the immune system uses to attack bacteria.
—Quanta Magazine, 26 June 2024
Active ingredients: Grapefruit seed extract, zinc, vitamin D3, lysozyme, lactoferrin, and lactoperoxidase Zymox Shampoo with Vitamin D3 is formulated to ease itchy, inflamed skin.
—Amber Smith, Discover Magazine, 23 Oct. 2022
Whole Foods issued a recall for Zerto Fontal cheese because the product contains egg lysozyme.
—Chris Smith, BGR, 6 Oct. 2022
All tested positive for lysozyme.
—Claudia Kalb, Scientific American, 27 Apr. 2021
Cite this Entry
“Lysozyme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lysozyme. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
lysozyme
noun
ly·so·zyme
ˈlī-sə-ˌzīm
: a basic bacteriolytic protein that hydrolyzes peptidoglycan and is present in egg white and in saliva and tears
called also muramidase
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