Search results
- Dictionaryfriction/ˈfrɪkʃn/
noun
- 1. the resistance that one surface or object encounters when moving over another: "a lubrication system which reduces friction" Similar
Powered by Oxford Dictionaries
noun
Powered by Oxford Dictionaries
Force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. Types of friction include dry, fluid, lubricated, skin, and internal -- an incomplete list. The study of the processes involved is called tribology, and has a history of more than 2000 years. Wikipedia