Dictionary
mu•tate
Pronunciation: (myOO'tāt), [key]
—v., -tat•ed, -tat•ing.
—
v.t.
1. to change; alter.
2. Phonet.to change by umlaut.
—
v.i.
to change; undergo mutation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.