transmutation

nouns

an act that changes the form or character or substance of something
is derived from
a qualitative change
(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"
is derived from
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
is a type of (narrower)
an event that occurs when something passes from one state or phase to another
"the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"