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hydrase

American  
[hahy-dreys, -dreyz] / ˈhaɪ dreɪs, -dreɪz /

noun

Biochemistry.
  1. any of the class of enzymes that catalyze the addition of a water molecule into a compound without causing hydrolysis.


Etymology

Origin of hydrase

First recorded in 1940–45; hydr- 1 + -ase