Noun
something irregular like a bump or crack in a smooth surface
Source: WordNetAn argument that increased jaggedness in the contact line enhances droplet mobility has also been proposed. citation Many hydrophobic materials found in nature rely on Cassie's law and are biphasic on the submicrometer level with one component air. Source: Internet
Thus, the change in slope between each successive point is small, reducing the apparent "jaggedness" of the approximation. Source: Internet