Joints need cartilage for smooth movement and to absorb shock when you put pressure on a joint.

VOA: special.2010.05.19

In the 1930s, industrial designers began to make cars and other objects with smooth, curving lines.

VOA: special.2009.01.02

Railroad companies employed thousands of workers to create the smooth,flat pathways required by trains.

VOA: special.2009.02.21

The researchers studied small sharks called smooth dogfish, common to America's New England coast.

VOA: special.2010.08.03

It is not normal to have just a smooth, easy ride through a World Cup qualifying.

VOA: standard.2009.06.07

During that time, while on tour in Europe and Southeast Asia, he decided to stray from his usual regimen of smooth jazz and focus on the jazz classics he heard growing up.

VOA: standard.2010.04.12