trīˈbäləjē, trə̇ˈ-, -ji noun
( -es -s )
Etymology: tribo- + -logy
: a branch of mechanical engineering that deals with the design, friction, wear, and lubrication of interacting surfaces in relative motion (as in bearings or gears)
• tri·bo·log·i·cal ˌtrībəˈläjə̇kəl, ˌtrib- adjective
• tri·bol·o·gist trīˈbäləjə̇st, triˈ- noun