潤滑劑 / 润滑剂
rùnhuájì
The English word lubricant is 潤滑劑 / 润滑剂 (rùnhuájì) in Mandarin. Wiktionary also lists 潤滑油 / 润滑油 (rùnhuáyóu).
Meaning: substance used to reduce friction (noun)
Ways to say it
| Mandarin | Romanization (Wiktionary) |
|---|---|
| 潤滑劑 / 润滑剂 | rùnhuájì |
| 潤滑油 / 润滑油 | rùnhuáyóu |
The term refers to a substance used to reduce friction.
What does it mean word for word?
潤滑劑 / 润滑剂 is composed of 潤滑, meaning lubricate or smooth and 劑, meaning agent or chemical. 潤滑油 / 润滑油 is composed of 潤滑, meaning lubricate or smooth and 油, meaning oil.
Which one should you use?
潤滑劑 / 润滑剂 is a general term for any lubricating agent, which includes substances like gels, creams or other chemical substances. In contrast, 潤滑油 / 润滑油 specifically refers to liquid oil-based lubricants, such as those used in engines or machinery.
How do you pronounce it?
rùnhuájì
Did you know?
- In modern Chinese slang, the word 潤滑 ('lubricate') is sometimes used metaphorically to describe someone who acts as a social mediator to smooth over a conflict between two parties.
- The character 油 ('oil') in 潤滑油 is a pictograph that originally depicted fat dripping from a piece of meat.
- In traditional Chinese medicine, the concept of 'lubricating' the intestines to treat constipation uses similar root concepts of 'moistening' and 'smoothing' found in 潤滑.
Examples in context
- 这个机器需要润滑剂来保持正常运转。This machine needs lubricant to operate properly.
- 请确保定期更换润滑剂。Please ensure regular replacement of the lubricant.
- 别忘记在两轮之间添加润滑油。Don't forget to add lubricant between the two wheels.
Sources
- Wiktionary, “lubricant” translations, CC BY-SA 4.0, dump of 2026-09-26.
