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ground joint[′grau̇nd ‚jȯint]
A closely fitted masonry joint, usually set without mortar.
A machined metal joint that makes a tight fit without packing or a gasket.
A closely fitted joint in masonry, usually without mortar; also a machined metal joint that fits tightly without packing or employing a gasket. See also: Mortar joint
a joint whose surfaces are ground to form a hermetic seal between glass, quartz, or metal parts.
1. A closely fitted joint in masonry, usually without mortar.
2. A machined metal joint which fits tightly without packing or a gasket.