[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray](https://indike.org/pramana/ins.science.ray-1956) › c96 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c96: E History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c96 - **Language:** English ### E ### [c96.1](https://indike.org/pramana/ins.science.ray-1956.c96.1) Early Dynastic Period, 7. Earth, 43-45, 288; atom, 263; bhuta, 271; substances, 275, 276. Ego, 248. Egyptian culture, 10 Efficient causes, 273 Effects, heteropathic, 290. Electrum, 29. Elementary substances, 45 Elements, according to Charaka, 62; and compounds, 272; according to Samkhya, 43, of polity, 214. Elixir vitae, 158, 166 Emerald, 56 Enamelling, 218. Energy, 244-46, 281, conservation of, 244, 247, 251, dissipation of, 244, 249, 257, kinetic, 245; liberation of, 251; modes of, 251; potential form of, 152, 245, 251; transformation of, 161, 244, 249, 251. Entropy, 257. ### [c96.2](https://indike.org/pramana/ins.science.ray-1956.c96.2) Essence, 244, 245, 257, 281 ### [c96.3](https://indike.org/pramana/ins.science.ray-1956.c96.3) Evolution, beginning of, 41, 42, 247; formula of, 247, 248, 249; order of cosmic, 250, 253; process of cosmic, 41, 45, 258; of matter, 258. --- Source: [https://indike.org/pramana/ins.science.ray-1956.c96](https://indike.org/pramana/ins.science.ray-1956.c96) · Pramāṇa