black-spot defect

См. также в других словарях:

• spot — [spät] n. [ME < or akin to MDu spotte, akin to ON spotti, small piece (of ground)] 1. a small area of different color or texture from the main area of which it is a part; often, a mark made by some foreign matter; stain, blot, speck, patch,… …   English World dictionary

• Casting defect — A casting defect is an irregularity in the metal casting process that is undesired. Some defects can be tolerated while others can be repaired otherwise they must be eliminated. They are broken down into five main categories: gas porosity,… …   Wikipedia

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• Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

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