Lost-motion
noun, Machinery.
1.
motion of a machine or mechanism, especially 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.
Read Also:
- Lost on one
Have no effect or influence on one, as in Ned’s attempts at humor were lost on Meg, or David’s kindness was not lost on his aunt. This expression uses lost in the sense of “wasted.” [ c. 1600 ] Also see: you’ve lost me
- Lost-pleiad
noun 1. See under (def 1).
- Lost-property
noun, Chiefly British. 1. .
- Lost-river
noun 1. a river that flows into an underground passage or sinkhole.
- Lost-river-range
noun 1. a mountain range in E central Idaho. Highest peak, Borah Peak (also highest in the state), 12,662 feet (3862 meters).