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



BrE BrE//ˈluːbrɪkənt//
; NAmE NAmE//ˈluːbrɪkənt//
(informal lube
BrE BrE//luːb//
; NAmE NAmE//luːb//
[uncountable, countable]
jump to other results
a substance, for example oil, that you put on surfaces or parts of a machine so that they move easily and smoothly Word Originearly 19th cent.: from Latin lubricant- ‘making slippery’, from the verb lubricare, from lubricus ‘slippery’.
See the Oxford Advanced American Dictionary entry: lubricant