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Related to lubrication: Hydrodynamic lubrication
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A small sum of money or other gifts or services to be paid or given to government officials to expedite business operations in countries that do not prohibit such activity. Whenever I start up a new factory overseas, I make sure to bring along enough cash on hand for any lubrication payments I may need to make.
n. liquor. Willy has had a little too much lubrication.