noun
Refers to the medieval proto-science and philosophy, often associated with turning base metals into gold. Used in historical, fantasy, and metaphorical contexts.
中世のアルケミーは化学の基礎を築いた。
Medieval alchemy laid the foundations of chemistry.
彼は人生を変えるアルケミーを探し求めている。
He is searching for an alchemy that will change his life.