You searched for: “nanotribologies
nanotribology (s) (noun), nanotribologies (pl)
The study of friction at the molecular and atomic levels.

This field will become a very important part of production in the years to come, as a new generation of micromachines and nanomachines find their way out of the laboratory and onto the production line.

Pointing to a page about tribology More information about nanotribology is available here.