[f. SUPPLEMENT v. + -ATION.] The action of supplementing; also, an instance of this, a supplementary addition.

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1854.  Ferrier, Inst. Metaph., 450. To redeem from contradiction a centreless circle or a stick with only one end, two supplementations are required.

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1873.  A. W. Ward, trans. Curtius’ Hist. Greece, I. II. i. 218. The war had made great gaps in the military body itself, and it was in the interest of the state to fill these up…. This supplementation miscarried.

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1903.  G. E. Underhill, in Eng. Hist. Rev., Oct., 756. The shortest supplementation [of lines in a fragmentary papyrus] is always the most probable.

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