👉 In mathematics, "roughened" refers to a surface that has been scratched or damaged in some way. It can also refer to the process of roughening, which is a technique used in metalworking and other industries to smooth out surfaces such as steel, iron, or aluminum to improve its quality and appearance. In this context, "roughened" could be used to describe the surface that has been scratched or damaged, but it's important to note that it doesn't necessarily indicate any particular type
