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urease

[yoo r-ee-eys, -eyz] /ˈyʊər iˌeɪs, -ˌeɪz/
noun, Biochemistry
1.
an enzyme that changes urea into ammonium carbonate, occurring in bacteria, fungi, etc.
Origin
1895-1900
1895-1900; ure(a) + -ase
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for urease

urease

/ˈjʊərɪˌeɪs; -ˌeɪz/
noun
1.
an enzyme occurring in many plants, esp fungi, that converts urea to ammonium carbonate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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urease in Medicine

urease u·re·ase (yur'ē-ās', -āz') or u·rase (yur'ās', -āz')
n.
An enzyme that cataylzes the hydrolysis of urea to form ammonium carbonate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for urease

an enzyme that catalyzes the hydrolysis of urea, forming ammonia and carbon dioxide. Found in large quantities in jack beans, soybeans, and other plant seeds, it also occurs in some animal tissues and intestinal microorganisms. Urease is significant in the history of enzymology as the first enzyme to be purified and crystallized (by James B. Sumner in 1926). This achievement laid the groundwork for the subsequent demonstration that urease and other enzymes are proteins.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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