WordReference Random House Unabridged Dictionary of American English © 2026
ATPase
(ā′tē′pē′ās, -āz),USA pronunciation n. [Biochem.]
- Biochemistryadenosine triphosphatase: any of several enzymes that catalyze the hydrolysis of ATP to ADP and phosphate.
- ATP + -ase 1945–50
'ATPase' also found in these entries (note: many are not synonyms or translations):