lubricate
verb (used with object)
to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Probably greatest need of Germany is lubricating oil for machines, etc.
From Face to Face with Kaiserism by James W. (James Watson) Gerard