lubricate

Từ điển Oxford Advanced Learner 8th

lu·bri·cate [lubricate lubricates lubricated lubricating] BrE [ˈluːbrɪkeɪt] NAmE [ˈluːbrɪkeɪt] verb ~ sth
to put a ↑lubricant on sth such as the parts of a machine, to help them move smoothly
Syn: ↑grease, Syn: ↑oil
Derived Word: ↑lubrication
Verb forms:

Word Origin:
early 17th cent.: from Latin lubricat- ‘made slippery’, from the verb lubricare, from lubricus ‘slippery’.