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ball joint |
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ball joint: see ball-and-socket joint ball-and-socket joint, in engineering, mechanical connection used between parts that must be allowed some relative angular motion in nearly all directions. As the name implies, the joint consists essentially of a spherical knob at the end of a shaft, with the knob
..... Click the link for more information. . ball-and-socket joint, ball joint 1. a coupling between two rods, tubes, etc., that consists of a spherical part fitting into a spherical socket, allowing free movement within a specific conical volume 2. Anatomy a bony joint, such as the hip joint, in which a rounded head fits into a rounded cavity, allowing a wide range of movement ball joint [′bȯl ‚jȯint] (anatomy) ball joint A joint in which one part has a ball-shaped end that is held in a spherical shell attached to the other, thereby permitting the axis of one part to be set at any angle with respect to the other. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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