Meaning of “lubricant” in the English Dictionary

british dictionary

"lubricant" in British English

See all translations

lubricantnoun [ C or U ]

uk /ˈluː.brɪ.kənt/ us /ˈluː.brə.kənt/ informal lube,

a liquid such as oil that is used to make the parts of an engine move easily together, or a substance put on any surface to help it move more easily against another one


  • Right now, most industrial lubricants are made with oil, but because using oil in this way is not good for the environment,inventors are developing water-based lubricants.
  • Water is also used in industry as a lubricant – something that can help prevent machines from wearing out when their parts move against each other.

(Definition of “lubricant” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"lubricant" in American English

See all translations

lubricantnoun [ C/U ]

us /ˈlu·brɪ·kənt/ infml lube, /lub/

a substance that is used to make parts move easily

(Definition of “lubricant” from the Cambridge Academic Content Dictionary © Cambridge University Press)