| cohesive force | <physics> An intermolecular force between like molecules, important in the phenomenon of surface tension. (09 Oct 1997) |
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| cohesive gold | Nearly pure gold so treated as to be free of adsorbed surface gases and impurities so that it will weld under pressure at room temperature; in dentistry, used as a restorative material placed directly into a prepared cavity and welded by pressure. (05 Mar 2000) |