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lost' mo'tion



Mach.
1. motion of a machine or mechanism, esp. a reciprocating one, during which no useful work is performed.
2. motion between parts in an assembly due to manufacturing tolerances, adjustments, slip, or wear.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Lost Generationlost river

 

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