| tribolium | (n) flour beetles, Syn. genus Tribolium |
| tribologist | (n) a specialist in tribology |
| tribology | (n) 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 |
| tribonema | (n) type genus of Tribonemaceae, Syn. genus Conferva, genus Tribonema |
| tribonemaceae | (n) simple filamentous freshwater yellow-green algae, Syn. family Tribonemaceae |
| tribo- | n. [ Gr. |
| triboelectricity | n. [ tribo- + electricity. ] electrical charge developed by rubbing objects together, suc as amber on cat fur. [ PJC ] |
| Tribolet | |
| tribology | n. [ tribo- + -ology. ] the study of the effects of friction on parts of machinery moving in contact with each other, and of methods, such as lubrication, to counteract negative effects such as wear. [ PJC ] |
| Tribometer | n. [ Gr. |