self-lubricating

adjective

self-lu·​bri·​cat·​ing ˌself-ˈlü-brə-ˌkā-tiŋ 

: having or relating to the ability to provide its own lubricant

Self-lubricating bearings work by having lubricant impregnated within the sliding layer of the bearing. … As the bearing operates, the lubricant is released through pores in the sliding layer, lubricating the bearing surface.

—ggbearings.com

a material with self-lubricating properties

Word History

First Known Use

1842, in the meaning defined above