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.
The act of altering for the better, or correcting what is erroneous or faulty; correction; improvement.
An intentional change in the spelling of a scientific name, which is usually not allowed.
Alteration by editorial criticism, as of a text so as to give a better reading; removal of errors or corruptions from a document.