soft water: water that is not hard (does not contain mineral salts that interfere with the formation of lather with soap)
material: the tangible substance that goes into the makeup of a physical object
mimamsa: (from the Sanskrit word for `reflection' or `interpretation') one of six orthodox philosophical systems or viewpoints on ritual traditions rooted in the Vedas and the Brahmanas as opposed to Vedanta which relies mostly on the Upanishads