noun. The process of making a surface chemically clean.

noun. a Christian movement considered to be a medieval descendant of Manichaeism in southern France in the 12th and 13th centuries; characterized by dualism (asserted the coexistence of two mutually opposed principles, one good and one evil); was exterminated for heresy during the Inquisition

"Glen Cook liberally uses European High Middle Ages, blending together: crusades, pope (and antipope), Jews, emperor of the Holy Roman Empire and the King of Spain, Janissaries, ruling noble families of Rome caught in everlasting cloak and dagger games for papacy, corruption of the medieval Catholic Church, catharism and it's centre the Languedoc and last, but not least the Vikings and their pantheon."

Christianity  christian religion  heresy  unorthodoxy