adjective
Countering the effects of friction in machinery.
Minimizing attrition; serving to retain or recover participants, customers, members, or similar.
noun
A (usually lead or graphite-based) substance applied to machine parts in order to reduce friction; lubricant.
(figurative) Something or someone that smooths the way or makes things easier.
Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edge