1.Definition: (physics) the change of one chemical element into another (as by nuclear decay or radioactive bombardment)

"The transmutation of base metals into gold proved to be impossible"

Category: General

2.Definition: a qualitative change

Related Noun(s):shift, transformation

Category: General

3.Definition: an act that changes the form or character or substance of something

Related Noun(s):transubstantiation

Category: General