Which term translates to 'roughness' in English?

The term that translates to 'roughness' in English is "Rauheit." This word is derived from the German adjective "rau," which means "rough" or "coarse." In various scientific and technical contexts, "Rauheit" is commonly used to describe surface textures or the degree of irregularity on a material's surface.

Understanding specific terminology is crucial in technical fields, where precise language conveys clear meaning. "Riefe," for example, translates more directly to "groove" or "furrow," which does not convey the same idea of ruggedness or irregular texture. "Festfressen" refers to being jammed or stuck, which is unrelated to surface quality, and "Kratzer" means "scratch," focusing on damage rather than the overall surface texture quality. Thus, "Rauheit" is the appropriate term that accurately reflects the concept of roughness in technical discussions.