urease [yoo r-ee-eys, -eyz] Word Origin noun Biochemistry.
- an enzyme that changes urea into ammonium carbonate, occurring in bacteria, fungi, etc.
- an enzyme occurring in many plants, esp fungi, that converts urea to ammonium carbonate
urease in Medicine urease [yur′ē-ās′, -āz′] n.
- An enzyme that cataylzes the hydrolysis of urea to form ammonium carbonate.