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| dead cen·ter (plural dead cen·ters) |
noun |
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1. middle: the exact center of something
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2. top or bottom of piston stroke: the position at the top or bottom of a piston stroke in a reciprocating engine or pump, at which point the piston and the connecting rod are in a straight line
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3. pointed rod in lathe: a nonrotating pointed shaft mounted at both ends or one end of a lathe to support the workpiece and hold it in place
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