Definition of lubrication noun from the Oxford Advanced Learner's Dictionary

 

lubrication

 noun
noun
BrE BrE//ˌluːbrɪˈkeɪʃn//
 
; NAmE NAmE//ˌluːbrɪˈkeɪʃn//
 
[uncountable]
 
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the act or process of putting a lubricant on something such as the parts of a machine, to help them move smoothly