dead-pointdead pointn.

Etymology: dead adj. IV.Previous versions of the OED give the stress as: ˈdead-point.

Mechanics.

That position of a crank at which it is in a direct line with the connecting-rod, and at which therefore the force exerted tends to thrust or pull instead of turning the crank.

ΚΠ

1830 H. Kater & D. Lardner Treat. Mechanics xviii. 254 The cranks are so placed that when either is at its dead point, the other is in its most favourable position.

1875 R. F. Martin tr. J. Havrez On Recent Improvem. Winding Machinery 72 One piston is on the dead point, and, therefore, the other one alone must turn the engine round.

This entry has not yet been fully updated (first published 1894; most recently modified version published online March 2020).

单词	dead-point
释义	dead-pointdead pointn. Etymology: dead adj. IV.Previous versions of the OED give the stress as: ˈdead-point. Mechanics. That position of a crank at which it is in a direct line with the connecting-rod, and at which therefore the force exerted tends to thrust or pull instead of turning the crank. ΚΠ 1830 H. Kater & D. Lardner Treat. Mechanics xviii. 254 The cranks are so placed that when either is at its dead point, the other is in its most favourable position. 1875 R. F. Martin tr. J. Havrez On Recent Improvem. Winding Machinery 72 One piston is on the dead point, and, therefore, the other one alone must turn the engine round. This entry has not yet been fully updated (first published 1894; most recently modified version published online March 2020). < n.1830
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