? Obs. [ad. mod.L. *longimetria, f. longus LONG a. + Gr. -μετρία measurement, -METRY. Cf. F. longimétrie.] The art or process of measuring distances.
1674. in Phil. Trans., IX. 85. In Longimetry, the Art of Levelling, the Measuring of Hights or Distances unapproachable.
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.
1727. J. Douglas (title), The Art of Planometry, Longemetry, and Altemetry, brought to Perfection by the Instrument called the Infallible.
Hence Longimetric a., pertaining to longimetry.
In recent Dicts.