1 any substance or mixture of compounds that, added to a solution, is capable of neutralizing both acids and bases without appreciably changing the original acidity or alkalinity of the solution.  Also called buffer solution. a solution containing such a substance.
But the origins of witchcraft prosecution can be traced back to Europe centuries prior, when pre-Reformation courts first induced criminals to admit to heresy and witchcraft to exert social control through displays of harsh and often violent punishment.
Alchemy actually has its origin in the Siddha system which was connected with the Tantrik culture, aimed at perfection of man not only at the spiritual level but also at the physical level. The use of human urine in medicine also started with the Tantrik culture and became popular in the medieval period.t is of Dravidian origin and has its entire literature in Tamil language. The basic concepts of the Siddha medicine are the same as those of Ayurveda. The difference is mostly in detail, Siddha being influenced by the local tradition with roots in the ancient Dravidian culture.