[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c12.t2.3 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.3 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t2.3 - **Language:** English ### [v1.c12.t2.3](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.3) In the older works Rasāyana (derived from rasa, juice, and ayana, way) means a medicine preventing old age and prolonging life—the \*Elixir vitæ\*.² Later on Rasāyana was almost exclusively applied to the employment of mercury and other metals in medicine and at present it means also alchemy (chemistry). Our author uses the term - [Previous: v1.c12.t2.2](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.2) - [Next: v1.c12.t2.4](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.4) - [Up: v1.c12.t2](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.3](https://indike.org/pramana/ins.science.ray-1902.v1.c12.t2.3) · Pramāṇa