The generic study of friction, wear, lubrication of interacting surfaces. Literally tribo stems from Greek and means rubbing.

Source

Addresses the description of friction, wear and lubrication. Tribology is the science and technology of surfaces that affect each other in relative movement. It includes the entire sector of friction and wear, including lubrication, and encompasses respective contact surface affects, both between the solid materials as well as between solid materials and liquids or gases.

Source

Study of friction, wear and lubrication of interacting surfaces. [BNL]

Source

Study of friction, wear and lubrication of interacting surfaces

Source

Study of friction, wear and lubrication of interacting surfaces. [bnl]

Source