What does "lubrication" mean?

The application of a substance (lubricant) between moving surfaces in contact in order to reduce friction and minimize heating.

How do you pronounce "lubrication"?

Pronounced //ˌluː.bɹɪˈkeɪ.ʃən//.

Common synonyms include: anointment, easing, engine lubrication, facilitation, friction forces, friction reduction.

/ˌluː.bɹɪˈkeɪ.ʃən/ noun

noun ·Rare ·Advanced level

Noun

1
The application of a substance (lubricant) between moving surfaces in contact in order to reduce friction and minimize heating. countable, uncountable
"Valve and cylinder lubrication is by atomised oil delivered by mechanical lubricators."
2
an application of a lubricant to something wordnet
3
the condition of having been made smooth or slippery by the application of a lubricant wordnet

"The lubrication system was poorly designed."

From lubricate + -ion.