lubrication
UK/,lu:bri'keiʃәn/US
TOEFLC1
Definitions
n.
The action of lubricating, or the state of being lubricated.
润滑（过程或状态）。
Root Breakdown
Root-derivedThe noun of lubricate: lubric (slippery) + -ation (act/process) = the process or state of reducing friction. Transparent: regular lubrication keeps a machine running.
Root lubric still carries 4 more wordsCommon Collocations
- 1.regular lubrication定期润滑
- 2.proper lubrication适当润滑
- 3.lubrication system润滑系统
Example Sentences
- 1.
Regular lubrication greatly extends the engine's life.
- 2.
Poor lubrication caused the parts to wear out quickly.