Noun, Na-adjective (keiyodoshi)
1. lubrication; smoothness
Wikipedia definition
2. LubricationLubrication is the process, or technique employed to reduce wear of one or both surfaces in close proximity, and moving relative to each another, by interposing a substance called lubricant between the surfaces to carry or to help carry the load (pressure generated) between the opposing surfaces. The interposed lubricant film can be a solid, a solid/liquid dispersion, a liquid, a liquid-liquid dispersion gasses exceptionally a gas.
Read “Lubrication” on English Wikipedia
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Read “Lubrication” on DBpedia


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