Inside the Universes

'tribology'

[tribology.n.01] as in: the branch of engineering that deals with the interaction of surfaces in relative motion (as in bearings or gears): their design and friction and wear and lubrication

Origins

					tribology (English)
├── -logy (English)
└── tribo- (English)
    └── τρίβω (Ancient Greek (to 1453))