frictionlining
nounUK /ˈfrɪkʃənˌlaɪnɪŋ/
US /ˈfrɪkʃənˌlaɪnɪŋ/
A rough material that rubs against another part to slow things down or stop them.
The mechanic replaced the worn frictionlining on the bicycle brake.
OTHER MEANINGS
2. A heat-resistant layer bonded to a metal shoe in drum brakes.
The frictionlining on the brake shoe had worn thin after years of use.
3. The contact surface in a clutch that transmits engine power to the gearbox.
Slipping was caused by oil on the clutch frictionlining.
4. Any sacrificial surface designed to wear instead of the part it protects.
Engineers chose a tough frictionlining so the expensive drum would last longer.