Smoothness refers to the quality of being even, gentle, and free from roughness or bumps. It describes a surface or texture that feels soft and sleek, without any harsh or jarring sensations. Full definition
when toshiba thought of releasing a tablet / thrive, they made a smart move: they realized that they can never beat the ipad2 in terms of smoothness of OS, app availability, and itunes content. (bgr.com)
Your little one can safely touch any part of the Hayden crib finished with smoothness of hidden hardware, rounded edges and multi-step non-toxic finish. (simplybabyfurniture.com)
[8][9][10] The most common type of semi-automatic transmission in recent years has been the dual clutch type, since single - clutch types such as the SMG III have been criticized for their general lack of smoothness in everyday driving (although being responsive at the track). (en.wikipedia.org)