friction
nounfeminine/fɾiˈkɐ̃w̃/medium
fric·ção
Definitions
1The force that opposes the relative motion of two surfaces in contact.
Friction between the brake pads and the wheel slows down the bicycle.
Oil is used to minimize friction in engines.
Common collocations
friction forcecoefficient of frictionreduce friction
2Conflict or animosity caused by a clash of wills, temperaments, or opinions.
There was some friction between the two managers over the new policy.
Cultural differences can lead to friction in international teams.
Common collocations
social frictionpolitical frictioncause friction
Etymology
Do latim 'frictio, frictionis'.