Meaning of ATPase

ATPase

Pronunciation: (ā'tē'pē'ās, -āz), [key]
— n. Biochem.
  1. adenosine triphosphatase: any of several enzymes that catalyze the hydrolysis of ATP to ADP and phosphate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.