ure·​ase | \ ˈyu̇r-ē-ˌās How to pronounce urease (audio) , -ˌāz \

Definition of urease

: an enzyme that catalyzes the hydrolysis of urea

Examples of urease in a Sentence

Recent Examples on the Web Now When the researchers dipped the structure into a second bath of urea and calcium ions, the urease kicked off a chemical reaction that created calcium carbonate. Matt Simon, Wired, 22 Feb. 2021 The Sporosarcina pasteurii bacteria within the solution attached to the polymer lattice and started secreting an enzyme called urease. Matt Simon, Wired, 22 Feb. 2021 Further detective work published in 2014 in PNAS revealed that the culprit was a protein called urease. Quanta Magazine, 6 Oct. 2015 While Hinnebusch was working on urease, Lathem was examining another small genetic change that allowed the plague to defeat one of the body’s main defense mechanisms: blood clots. Quanta Magazine, 6 Oct. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'urease.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of urease

1892, in the meaning defined above

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Dictionary Entries Near urease

urea resin



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Cite this Entry

“Urease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/urease. Accessed 27 Jan. 2022.

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More Definitions for urease


ure·​ase | \ ˈyu̇r-ē-ˌās, -ˌāz How to pronounce urease (audio) \

Medical Definition of urease

: a crystallizable enzyme that catalyzes the hydrolysis of urea into ammonia and carbon dioxide, is present in the alkaline fermentation of urine, and is produced by many bacteria and found in various seeds

More from Merriam-Webster on urease

Britannica.com: Encyclopedia article about urease


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