dead center
- the position of maximum () or minimum () extension of a crank and a connecting rod, in which both are in the same straight line
- a nonrevolving center, as of a lathe spindle
- the exact center
See dead center in American Heritage Dictionary 4
noun The point at the end of each stroke of a moving crank and connecting rod at which the two lie in the same straight line and the turning force applied by the connecting rod is zero. Also called dead point.
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