Learn how to say Transmutation correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word transmutation:
the action of changing or the state of being changed into another form:
the transmutation of the political economy of the post-war years was complete
Physics the changing of one element into another by radioactive decay, nuclear bombardment, or similar processes.
Biology, chiefly historical the conversion or transformation of one species into another.
the supposed alchemical process of changing base metals into gold.