Definition of "concentricity" [con•cen•tric•i•ty]

• The condition of being concentric (noun)

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• "Barnes all copper bullets are very accurate because there are no issues with concentricity and perfect thickness associated with jacketed bullets that can make them less than true flying."
• "Dave: “prose that matters” can have a lot of concentricity–on a variety of levels, personal and political."
• "Savage pays an amazing amount of attention to the barrel, and to the concentricity of the barrel and receiver, and now, of course they have the Accu-Trigger as well."