ˈmyüˌtās, -āz noun
( -s )
Etymology: International Scientific Vocabulary mut -(from Latin mutare to change) + -ase
1. : an enzyme regarded as able to catalyze a dismutation (as of acetaldehyde to alcohol and acetic acid)
2. : any of various enzymes (as phosphoglucomutase) that catalyze molecular rearrangements — compare isomerase