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|Noun||1.||pressure feed - mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings|
internal-combustion engine, ICE - a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
mechanical system - a system of elements that interact on mechanical principles
oil filter - a filter that removes impurities from the oil used to lubricate an internal-combustion engine
oil pump - a pump that keeps a supply of oil on moving parts