The act of altering or making different.
The state of being altered; a change made in the form or nature of a thing; a changed condition.
The act of freeing from obscurities.
The act of clarifying; the act or process of making clear or transparent by freeing visible impurities; particularly, the clearing or fining of liquid substances from feculent matter by the separation of the insoluble particles which prevent the liquid from being transparent.