α. 1500s longimetria.
β. 1600s– longimetry, 1700s longemetry.
longimetryn.
/lɒnˈdʒɪmᵻtri/, U.S. /lɔnˈdʒɪmətri/, /lɑnˈdʒɪmətri/ Now historical.
The art or practice of measuring distances or lengths, esp. at a distance. Cf. longimetric adj.
ΘΚΠ
the world > relative properties > measurement > measurement of length > [noun] > measurement of distance
longimetry1674
?a1560 L. Digges Geom. Pract.: Pantometria (1571) ii. sig. L iv Having accomplished the first part called Longimetra, contayning sundrie rules to measure lengthes, breadthes, heigths, depthes, and distances: I thinke it meete now to proceede to the seconde kynde named Planimetra.]
1674 Philos. Trans. (Royal Soc.) 9 85 In Longimetry, the Art of Levelling, the Measuring of Hights or Distances unapproachable.
1715 G. Cheyne Philos. Princ. Relig. (ed. 2) i. vi. 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.
1802 O. Gregory Treat. Astron. i. 6 The distance PS between which must be very nicely determined by longimetry.
1912 Math. Teacher 5 51 The usual division of the subject into longimetry, planimetry, and stereometry does not provide for the circle and sphere and is therefore inadequate.
1949 Amer. Math. Monthly 56 464 In this connection the term ‘Longimetry’ is introduced to designate the process of measuring ‘mere length’.
This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).
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