planometryn.

Brit.

/plaˈnɒmᵻtri/,

/pləˈnɒmᵻtri/, U.S.

/pləˈnɑmətri/

Forms: 1600s– planometry, 1800s planeometry.

Origin: Formed within English, by compounding. Etymons: plano- comb. form¹, -metry comb. form.

Etymology: < plano- comb. form¹ + -metry comb. form. Compare post-classical Latin planometria (1650 or earlier: see quot. 1650 at sense 1). Compare earlier planimetry n. and stereometry n. With sense 2 compare later planometer n.In form planeometry after plane n.³

1. Mathematics. The measurement of the area of plane surfaces; = planimetry n. Now historical.

ΘΚΠ

the world > relative properties > number > geometry > [noun] > branches of

planimetrya1393

conic?a1560

helicosophy1570

stereometry1570

spheric1660

planometry1669

mensuration1704

polygonometry1791

analytical geometry1802

isoperimetry1811

analytic geometry1817

algebraic geometry1821

coordinate geometry1837

non-Euclidean geometry1872

differential geometry1877

pangeometry1878

projective geometry1878

metageometry1890

Riemann geometry1895

variable geometry1957

1650 W. Leybourn (title) Planometria, or, The whole art of surveying of land.]

1669 M. Dary Dary's Miscellanies 23 (heading) Of Planometry, and the Center of Gravity.

1671 Philos. Trans. 1670 (Royal Soc.) 5 2056 This Author is inclinable to lay aside those many Divisions of Geometry..viz. into Trigonometry, Planometry and Stereometry.

1705 E. Scarburgh Eng. Euclide 94 In this 35^th. Proposition, Euclide makes an entry into the Doctrine of Planometry, and begins in the first place to open a way toward the Mensuration of all Parallelogram spaces.

1787 R. Turner Young Geometrician's Compan. 163 Next, find the Area of the Circular Segment g A h by Problem 13 of Planometry.

1842 Z. Thompson Hist. Vermont 169/2 The following partial course..will well qualify a young man to become an instructor.., a practical surveyor, or assistant engineer.., viz: the English language, Arithmetic, Logarithms, Algebra, Geometry, Trigonometry.., Planometry, Stereometry, Practical Surveying [etc.].

1882 Ogilvie's Imperial Dict. (new ed.) Planeometry, the art of ascertaining the area or superficial contents of any surface.

1993 G. S. Pappas To the Point: U.S. Mil. Acad., 1802–1902 iii. 57 To be eligible for a commission, a cadet was required to complete studies including arithmetic, logarithms, algebra, geometry, trigonometry, mensuration of heights and distances, planometry, [etc.].

2. The art or practice of using a planometer; the measurement or gauging of the flatness of plane surfaces. rare.

ΚΠ

1811 J. Parkins Young Man's Best Compan. 151 Planometry, or superficial, or flat measure.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	planometry
释义	planometryn. Brit. /plaˈnɒmᵻtri/, /pləˈnɒmᵻtri/, U.S. /pləˈnɑmətri/ Forms: 1600s– planometry, 1800s planeometry. Origin: Formed within English, by compounding. Etymons: plano- comb. form¹, -metry comb. form. Etymology: < plano- comb. form¹ + -metry comb. form. Compare post-classical Latin planometria (1650 or earlier: see quot. 1650 at sense 1). Compare earlier planimetry n. and stereometry n. With sense 2 compare later planometer n.In form planeometry after plane n.³ 1. Mathematics. The measurement of the area of plane surfaces; = planimetry n. Now historical. ΘΚΠ the world > relative properties > number > geometry > [noun] > branches of planimetrya1393 conic?a1560 helicosophy1570 stereometry1570 spheric1660 planometry1669 mensuration1704 polygonometry1791 analytical geometry1802 isoperimetry1811 analytic geometry1817 algebraic geometry1821 coordinate geometry1837 non-Euclidean geometry1872 differential geometry1877 pangeometry1878 projective geometry1878 metageometry1890 Riemann geometry1895 variable geometry1957 1650 W. Leybourn (title) Planometria, or, The whole art of surveying of land.] 1669 M. Dary Dary's Miscellanies 23 (heading) Of Planometry, and the Center of Gravity. 1671 Philos. Trans. 1670 (Royal Soc.) 5 2056 This Author is inclinable to lay aside those many Divisions of Geometry..viz. into Trigonometry, Planometry and Stereometry. 1705 E. Scarburgh Eng. Euclide 94 In this 35^th. Proposition, Euclide makes an entry into the Doctrine of Planometry, and begins in the first place to open a way toward the Mensuration of all Parallelogram spaces. 1787 R. Turner Young Geometrician's Compan. 163 Next, find the Area of the Circular Segment g A h by Problem 13 of Planometry. 1842 Z. Thompson Hist. Vermont 169/2 The following partial course..will well qualify a young man to become an instructor.., a practical surveyor, or assistant engineer.., viz: the English language, Arithmetic, Logarithms, Algebra, Geometry, Trigonometry.., Planometry, Stereometry, Practical Surveying [etc.]. 1882 Ogilvie's Imperial Dict. (new ed.) Planeometry, the art of ascertaining the area or superficial contents of any surface. 1993 G. S. Pappas To the Point: U.S. Mil. Acad., 1802–1902 iii. 57 To be eligible for a commission, a cadet was required to complete studies including arithmetic, logarithms, algebra, geometry, trigonometry, mensuration of heights and distances, planometry, [etc.]. 2. The art or practice of using a planometer; the measurement or gauging of the flatness of plane surfaces. rare. ΚΠ 1811 J. Parkins Young Man's Best Compan. 151 Planometry, or superficial, or flat measure. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1669
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