Tipp-ex is a brand of correction fluid that has become synonymous with the term "white-out" in the United States. However, there are several other synonyms for Tipp-ex that are commonly used around the world. Some of these synonyms include "correcting fluid," "liquid paper," "white-out," "correct-o," and "opaque correction fluid." Many office supply stores also offer their own brands of correction fluid, each with their own unique name. Regardless of the name, these correction fluids are used to cover up mistakes made during writing or typing, allowing corrections to be made without having to redo an entire document.