Definition: Roughness, also known as roughness, is a feature commonly found in materials that are not smooth or perfectly flat. This characteristic can manifest itself in various forms such as irregular shapes, uneven surfaces, and textures. In the context of engineering, roughness refers to the presence of imperfections or discontinuities within a surface. It's often associated with objects like metal, plastic, rubber, or wood that have been subjected to wear and tear over time, resulting in variations in their smooth
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