[f. as prec. + -ITY.] The quality or state of being concentric.

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1650.  E. W[illiams], Virginia, Ded. Had not the Concentricity of your undertakings, had not the Homogeniousnesse of your actions and felicity, vindicated and asserted the honour of antiquity.

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1662.  J. Chandler, Van Helmont’s Oriat. (1664), lx. 470. I did rather resemble an arrogant Stoicism, than that I did with the joy of concentricity or a mutual centredness, purely resign up my tribulations unto my most bountiful Jesus.

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1803.  Edin. Rev., I. 429. The grand circumstance of concentricity is evidently sufficient to authorise a classification of the new bodies [the asteroids] under the head of planets.

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1869.  Phillips, Vesuv., vii. 191. We observe the general concentricity of all the layers.

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