friction
nounmasculine/ɐˈtɾitu/medium
a·tri·to
Definition
The resistance that one surface or object encounters when moving over another.
Friction between the tires and the road provides necessary grip.
Lubricant is used to reduce friction in machinery.
Common collocations
friction coefficientforce of frictionreduce frictionkinetic friction
Etymology
Do latim 'attritus', particípio passado de 'atterere' (esfregar, desgastar).