tri·​bol·​o·​gy trī-ˈbä-lə-jē How to pronounce tribology (audio)
: 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

Example Sentences

Recent Examples on the Web In part, because tribology itself is built on unseen forces all around us. Adrienne Bernhard, Popular Mechanics, 7 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tribology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of tribology was in 1966

Dictionary Entries Near tribology

Cite this Entry

“Tribology.” Dictionary, Merriam-Webster, Accessed 4 Feb. 2023.

Medical Definition


tri·​bol·​o·​gy trī-ˈbäl-ə-jē How to pronounce tribology (audio) trib-ˈäl- How to pronounce tribology (audio)
plural tribologies
: a branch of mechanical engineering that deals with the design, friction, wear, and lubrication of interacting surfaces (as bodily joints) in relative motion
tribological adjective

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