What is alchemy? Alchemy [Dictionary] Definition noun the medieval forerunner of chemistry, concerned with the transmutation of matter. Alchemy [THE UNSEEN Beauty] Definition noun uniquely combining different skillsets to create something new and exciting that hasn't been done before. As time changes interpretations and understandings of meanings change too. Is alchemy still relevant to us today? Or is it something from the past that should remain in the past? What does alchemy mean to you?