? Obs. [ad. mod.L. *longimetria, f. longus LONG a. + Gr. -μετρία measurement, -METRY. Cf. F. longimétrie.] The art or process of measuring distances.

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1674.  in Phil. Trans., IX. 85. In Longimetry, the Art of Levelling, the Measuring of Hights or Distances unapproachable.

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1715.  Cheyne, Philos. Princ. Relig., I. 350. Our two Eyes are like two different Stations in Longimetry by the assistance of which, the distance between two Objects is measured.

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1727.  J. Douglas (title), The Art of Planometry, Longemetry, and Altemetry, brought to Perfection by the Instrument called the Infallible.

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  Hence Longimetric a., pertaining to longimetry.

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  In recent Dicts.

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