roughener

This term is primarily used in industrial, construction, and manufacturing contexts. It describes an agent of change—either a chemical additive or a physical tool—designed to disrupt a smooth surface. The goal is typically functional rather than aesthetic, aiming to increase surface area for better bonding or to provide traction for safety.

As a standard countable noun, it follows regular English pluralization rules. It is distinct from the verb "roughen" in that it refers specifically to the instrument or substance used to achieve the effect, rather than the process itself.