an act that changes the form or character or substance of something
同义词：transubstantiation
a qualitative change
同义词：transformation, shift
(physics) the change of one chemical element into another (as by nuclear decay or radioactive bombardment)
transmutation例句
A medieval chemical philosophy having as its asserted aims the transmutation of base metals into gold, the discovery of the panacea, and the preparation of the elixir of longevity.
