geodesyn.

Brit.

/dʒɪˈɒdᵻsi/, U.S.

/dʒiˈɑdəsi/

Forms:

α. 1500s–1800s geodesie, 1600s geodaesie, 1600s 1800s geodaesy, 1600s– geodesy, 1900s– geodoesy.

β. 1600s geodetia.

γ. 1600s 1800s geodoesia, 1600s–1800s geodaesia, 1700s–1800s geodesia.

δ. 1800s– geodosy.

Origin: A borrowing from Latin. Etymon: Latin geodaesia.

Etymology: < post-classical Latin geodaesia (15th cent.) < ancient Greek γεωδαισία < Hellenistic Greek γεωδαιτης land surveyor (although this is apparently first attested later: see geodetic adj.) + -ία -y suffix³. Compare French géodésie (1644).In β. forms probably after post-classical Latin geodaeta or geodaeticus (for both, see geodetic n. and adj.); compare α. forms at geodesian n. In δ. forms ultimately after post-classical Latin geodosia (1540 or earlier); compare also Italian geodosia (1716 or earlier; apparently rare before 19th cent.) and Spanish geodosia (1843 or earlier); the motivation for this variant is unexplained.

Originally: the measuring or surveying of land (now historical and rare). Now chiefly: the branch of science and mathematics concerned with the precise measurement of the shape of the earth and of areas and positions on its surface, and with the spatial properties of the earth's gravitational field.

ΘΚΠ

the world > the earth > earth sciences > geography > [noun] > measurement

geodesy1570

the world > the earth > earth sciences > geography > map-making > surveying > [noun]

surveying1551

geodesy1570

survey1610

geodetics1677

land-surveying1771

gromatics1873

1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. Math. Præf. sig. aiij ^v Of these Feates..is Sprong the Feate of Geodesie, or Land Measuring.

1636 W. Bedwell tr. P. de la Ramée Via Regia ad Geometriam ix. 118 Geodesy of one distance is when the measurer for the finding of the desired dimension doth not change his place or standing.

1664 V. Wing Geodaetes Pract. 111 Geodæsie or Land-measure.

1734 J. Kirkby tr. I. Barrow Usefulness Math. Learning ii. 16 The six following Parts, viz. Geodesy, Logistics, Optics, Canonics, Mechanics, and Astrology.

1766 B. Martin New Art Surv. by Goniometer 6 With regard to Geodesia or Land Surveying, and all kinds of Longimetry, the natural eyesight ought to be assisted.

1822 tr. C. Malte-Brun Universal Geogr. I. ii. 56 The repeating circle was employed, and all the delicate methods of modern geodesia.

1833 Penny Cycl. I. 529/2 The measurement of the earth itself, and the determination of its figure..will be treated as a separate science under the name of Geodesy, though it is a constituent part of astronomy.

1855 J. B. Williams (title) Practical geodesy, comprising chain surveying and the use of surveying instruments.

1881 M. Merriman (title) Figure of the earth: an introduction to geodesy.

1939 E. D. Laborde tr. E. de Martonne Shorter Physical Geogr. (rev. ed.) 3 The perfected methods of modern geodesy and astronomy have shown that the Earth is somewhat of the shape of an ‘ellipsoid of revolution’.

1952 G. H. Dury Map Interpr. xvi. 191 To correlate the elevations given on the maps of different countries is, in effect, a problem for geodesy.

1972 M. Kline Math. Thought v. 117 Heron continued and enriched the Egyptian science of field measurements; his writings on geodesy were used for hundreds of years.

1989 Omni Aug. 71/2 Developments in satellite geodesy may cause a revolution in the study of volcanoes' surface deformation.

2003 M. Kraak & F. Ormeling Cartography (ed. 2) i. 7/2 The core functionality of a GIS [= geographical information system] is provided by those disciplines like geography, geodesy and cartography that are used to work with spatial data.

This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).

单词	geodesy
释义	geodesyn. Brit. /dʒɪˈɒdᵻsi/, U.S. /dʒiˈɑdəsi/ Forms: α. 1500s–1800s geodesie, 1600s geodaesie, 1600s 1800s geodaesy, 1600s– geodesy, 1900s– geodoesy. β. 1600s geodetia. γ. 1600s 1800s geodoesia, 1600s–1800s geodaesia, 1700s–1800s geodesia. δ. 1800s– geodosy. Origin: A borrowing from Latin. Etymon: Latin geodaesia. Etymology: < post-classical Latin geodaesia (15th cent.) < ancient Greek γεωδαισία < Hellenistic Greek γεωδαιτης land surveyor (although this is apparently first attested later: see geodetic adj.) + -ία -y suffix³. Compare French géodésie (1644).In β. forms probably after post-classical Latin geodaeta or geodaeticus (for both, see geodetic n. and adj.); compare α. forms at geodesian n. In δ. forms ultimately after post-classical Latin geodosia (1540 or earlier); compare also Italian geodosia (1716 or earlier; apparently rare before 19th cent.) and Spanish geodosia (1843 or earlier); the motivation for this variant is unexplained. Originally: the measuring or surveying of land (now historical and rare). Now chiefly: the branch of science and mathematics concerned with the precise measurement of the shape of the earth and of areas and positions on its surface, and with the spatial properties of the earth's gravitational field. ΘΚΠ the world > the earth > earth sciences > geography > [noun] > measurement geodesy1570 the world > the earth > earth sciences > geography > map-making > surveying > [noun] surveying1551 geodesy1570 survey1610 geodetics1677 land-surveying1771 gromatics1873 1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. Math. Præf. sig. aiij ^v Of these Feates..is Sprong the Feate of Geodesie, or Land Measuring. 1636 W. Bedwell tr. P. de la Ramée Via Regia ad Geometriam ix. 118 Geodesy of one distance is when the measurer for the finding of the desired dimension doth not change his place or standing. 1664 V. Wing Geodaetes Pract. 111 Geodæsie or Land-measure. 1734 J. Kirkby tr. I. Barrow Usefulness Math. Learning ii. 16 The six following Parts, viz. Geodesy, Logistics, Optics, Canonics, Mechanics, and Astrology. 1766 B. Martin New Art Surv. by Goniometer 6 With regard to Geodesia or Land Surveying, and all kinds of Longimetry, the natural eyesight ought to be assisted. 1822 tr. C. Malte-Brun Universal Geogr. I. ii. 56 The repeating circle was employed, and all the delicate methods of modern geodesia. 1833 Penny Cycl. I. 529/2 The measurement of the earth itself, and the determination of its figure..will be treated as a separate science under the name of Geodesy, though it is a constituent part of astronomy. 1855 J. B. Williams (title) Practical geodesy, comprising chain surveying and the use of surveying instruments. 1881 M. Merriman (title) Figure of the earth: an introduction to geodesy. 1939 E. D. Laborde tr. E. de Martonne Shorter Physical Geogr. (rev. ed.) 3 The perfected methods of modern geodesy and astronomy have shown that the Earth is somewhat of the shape of an ‘ellipsoid of revolution’. 1952 G. H. Dury Map Interpr. xvi. 191 To correlate the elevations given on the maps of different countries is, in effect, a problem for geodesy. 1972 M. Kline Math. Thought v. 117 Heron continued and enriched the Egyptian science of field measurements; his writings on geodesy were used for hundreds of years. 1989 Omni Aug. 71/2 Developments in satellite geodesy may cause a revolution in the study of volcanoes' surface deformation. 2003 M. Kraak & F. Ormeling Cartography (ed. 2) i. 7/2 The core functionality of a GIS [= geographical information system] is provided by those disciplines like geography, geodesy and cartography that are used to work with spatial data. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1570
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