rolamite
/ˈroʊləmaɪt/
noun
- A simple mechanical device consisting of a flexible band wrapped around two or more rollers, used to reduce friction and create smooth motion.
- In the robotics lab, students built a rolamite to test low-friction movement.
- The engineer designed a rolamite to help the drawer slide open quietly.
- The toy car used a rolamite mechanism to roll smoothly across the floor.