bumpiness
/ˈbʌmpɪnəs/the quality or condition of having an uneven surface. the characteristic of being full of jolts.
noun [抽象名词] 崎岖不平；碰撞；颠簸
Geometry texture is constituted by anomalous small bumpiness, it lies in microcosmic geometrical form. 而几何纹理则是由不规则的细小凸凹构成的，取决于物体表面的微观几何形态。
