Definition of "urease" [urease]

• An enzyme that catalyzes the hydrolysis of urea to form ammonium carbonate. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Tests showed that urease is also a protein, making this the first ever protein to be crystallized."
• "H. pylori uses an enzyme called urease to attach to and infect the inside of the stomach."
• "An enzyme called urease is produced by certain bacteria in the urinary tract."