noun Date: 1966 a study that deals with the design, friction, wear, and lubrication of interacting surfaces in relative motion (as in bearings or gears), tribological adjective tribologist noun
TRIBOLOGY
Meaning of TRIBOLOGY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012