transmutation

名词 transmutation:

1. an act that changes the form or character or substance of something
   同义词：transubstantiation
2. a qualitative change
   同义词：transformation, shift
3. (physics) the change of one chemical element into another (as by nuclear decay or radioactive bombardment)

1. 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.
   炼金术，炼丹术中世纪的一种化学哲学。其声称的目标是将一些基本金属转变为金子，发现万灵药及制备长生不老药