alchemy
(H3) [Printed book page 870,2]
रस-शास्त्र (rasa-śāstra) n. ‘science of Rasas’, alchemy, Sarvad. [ID=175692]
रस-शास्त्र (rasa-śāstra) n. ‘science of Rasas’, alchemy, Sarvad. [ID=175692]
— Monier-Williams Sanskrit-English Dictionary (1899)