geometern.

Brit.

/dʒɪˈɒmᵻtə/, U.S.

/dʒiˈɑmədər/

Forms: late Middle English gemeter, late Middle English geometreus (plural), late Middle English– geometer, 1500s geometar.

Origin: A borrowing from Latin. Etymons: Latin geometer, geōmetrēs.

Etymology: < post-classical Latin geometer (5th or 6th cent. in Boethius; from 12th cent. in British sources), variant of classical Latin geōmetrēs (also geōmetra ) land-measurer, geometrician < ancient Greek γεωμέτρης < γεω- geo- comb. form + μετρεῖν to measure (see metrete n.); compare -meter comb. form². Compare Middle French geometre , French géomètre (first third of the 14th cent. in sense ‘person who studies or is skilled in geometry as a discipline of mathematics’, 1637 in sense ‘land surveyor’), Catalan geòmetra (14th cent.), Spanish geómetra (1422), Portuguese geómetra (15th cent.), Italian geometra (a1313), and also German Geometer (Middle High German (in late sources) gēometras , gēometer ), Dutch geometer (1580). Compare geometrer n., geometrian n., geometrician n.In sense 4 after scientific Latin Geometra, genus name (see geometrid n. and adj.); for the semantic motivation of the name, see quot. 1817 at sense 4.

1. An expert or specialist in geometry. Cf. geometrician n. 1.Other synonyms of geometer are geometrer and geometrist, and formerly geometrian.

ΘΚΠ

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

geometrera1382

geometerc1450

geometrician?c1475

stereometer1608

stereometrian1608

pangeometer1882

metageometer1896

metageometrician1903

a1425 Medulla Gram. (Stonyhurst) f. 30^v Geometer, þat can geometri.]

c1450 (?a1402) J. Trevisa tr. De Regimine Principum (Digby 233) f. 2 (MED) Þanne the gemeter schal not make persuasions.

1483 Catholicon Anglicum (BL Add. 89074) (1881) 153/2 A Geometer [?c1475 BL Add. 15562 Gemitrician], geometer.

1556 N. Grimald tr. Cicero Thre Bks. Duties iii. f. 121 The Geometers [L. geometrae] ar wonte not to proue all: but to require, y^t certein thinges be graunted.

1610 J. Guillim Display of Heraldrie ii. vii. 71 I know the learned Geometer will find many more lines heere then I doe mention.

1709 G. Berkeley Ess. New Theory of Vision §155. 181 The manner wherein Geometers describe a right Line or Circle.

1762 J. Betts Let. 19 Sept. in Jenkinson Papers (1949) 61 He speaks of our most skilful astronomer and geometer, Dr. Halley.

1812 H. Davy Elements Chem. Philos. 37 Cavendish..reasoned with the caution of a geometer upon the results of his experiments.

1893 R. S. Ball Story of Sun 4 As a geometer would express it, an ellipse of high eccentricity.

1933 A. S. Eddington Expanding Universe i. 32 Geometers can invent spaces which have not either of these properties; but actual space, surveyed by physical measurement, is not of so unlimited a nature.

2009 Daily Tel. 3 Aug. 21/1 With 18 sides, an octadecahedron, it is a shape familiar to solid geometers and organic chemists, but not to many others.

†2. Perhaps: an exciseman; an inspector of weights and measures. Obsolete. rare.

ΚΠ

1635 M. Parker Robin Conscience sig. Bj In stead of the quart pot of Pewter I fill small Jugs, and need no Tutor: I Quarteridge giue to the Geometer most duely.

3. Chiefly U.S. A person who measures land or the earth; a surveyor. Cf. geometrician n. 2. Now chiefly historical.Cf. quot. 1662 at geometrian n.

ΘΚΠ

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

geometrian?c1400

geometrician?1537

surveyor1551

land-meter1582

land-measurer1632

measurer1636

geodesian1650

geometrist1772

geometer1773

arpenteur1789

land-surveyor1792

fieldman1838

1773 J. G. W. De Brahm Let. 23 Oct. in 14th Rep. Royal Comm. Hist. MSS (1895) x. 178 Is informed that his geometer Joseph Purcell has secretly taken copies of his surveys since his absence from America and entered the service of John Stuart Indian Superintendent.

1802 in A. Ellicott Jrnl. (1803) 51 The geometer, and other officers that are to be employed, are already on their way from New Orleans.

1869 C. Goepp tr. B. Auerbach Black Forest Village Stories 249 When your geometer gets an appointment, won't you have to go with him?

1914 T. E. Spencer Story Old St. Louis 165 He found employment in the United States Land Survey office in this city, as chief geometer.

1998 N.Y. Rev. Bks. 5 Feb. 5/2 Antonio de Roberts is a Milanese geometer—an Italian profession that lies somewhere between architect and quantity surveyor.

2004 D. Roberts Dream State iii. 79 He later became surveyor general of the Florida territory, geometer of the peninsula.

4. The caterpillar of a geometrid moth, which typically travels by clasping with the front legs, drawing the hind end forward so that the back loops in an arch, then clasping with the prolegs at the hind end and straightening to extend the head. Also (more fully geometer moth): an adult geometrid moth.The caterpillars have various popular names alluding to their manner of progression, including inchworm, looper, and measuring-worm.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Geometridae > class of caterpillars

geometer1817

the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > unspecified and miscellaneous types > miscellaneous types

high-flyer?1749

nonpareil1749

porphyry1819

satin carpet1819

satin pygmy1828

scopolian1829

chalk carpet1832

sieve lackey1832

sprawler1832

tissue1832

treble bar1832

treble gold stripe1832

vesper-beauty1832

viburnian1832

yellowhead1832

flame carpet1862

sting-moth1863

lilac moth1868

luna-moth1869

melon-caterpillar1884

wood-nymph1885

unicorn-moth1891

geometer moth1897

the suspected1908

porina1929

tomato pinworm1931

mopane worm1966

1817 W. Kirby & W. Spence Introd. Entomol. II. 292 Their name of geometer was given them..because they seem to measure the surface they pass over, as they walk, with a chain.

1869 E. Newman Illustr. Nat. Hist. Brit. Moths 49 The Second Great Division or Tribe of Moths are called Geometers (in science Geometræ), from the peculiar attitude which the caterpillars assume in walking.

1897 Daily News 13 Sept. 6/2 The larvæ of the geometer moths..are widely known as ‘stick caterpillars’.

1916 E. Step Marvels Insect Life (rev. ed.) 405 It is one of the family of geometers..coloured in harmony either with the foliage upon which they feed or with the branches upon which they rest.

1951 Dict. Gardening (Royal Hort. Soc.) III. 1323/2 In the Geometers or ‘Loopers’..the number of prolegs is reduced to 2 pairs which results in the looping effect of the caterpillars when walking.

2002 R. T. Mitchell & H. S. Zim Butterflies & Moths (rev. ed.) 140 More than 1,000 species of geometers live in North America; some are serious pests.

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

单词	geometer
释义	geometern. Brit. /dʒɪˈɒmᵻtə/, U.S. /dʒiˈɑmədər/ Forms: late Middle English gemeter, late Middle English geometreus (plural), late Middle English– geometer, 1500s geometar. Origin: A borrowing from Latin. Etymons: Latin geometer, geōmetrēs. Etymology: < post-classical Latin geometer (5th or 6th cent. in Boethius; from 12th cent. in British sources), variant of classical Latin geōmetrēs (also geōmetra ) land-measurer, geometrician < ancient Greek γεωμέτρης < γεω- geo- comb. form + μετρεῖν to measure (see metrete n.); compare -meter comb. form². Compare Middle French geometre , French géomètre (first third of the 14th cent. in sense ‘person who studies or is skilled in geometry as a discipline of mathematics’, 1637 in sense ‘land surveyor’), Catalan geòmetra (14th cent.), Spanish geómetra (1422), Portuguese geómetra (15th cent.), Italian geometra (a1313), and also German Geometer (Middle High German (in late sources) gēometras , gēometer ), Dutch geometer (1580). Compare geometrer n., geometrian n., geometrician n.In sense 4 after scientific Latin Geometra, genus name (see geometrid n. and adj.); for the semantic motivation of the name, see quot. 1817 at sense 4. 1. An expert or specialist in geometry. Cf. geometrician n. 1.Other synonyms of geometer are geometrer and geometrist, and formerly geometrian. ΘΚΠ the world > relative properties > number > geometry > [noun] > branches of > one who studies geometrera1382 geometerc1450 geometrician?c1475 stereometer1608 stereometrian1608 pangeometer1882 metageometer1896 metageometrician1903 a1425 Medulla Gram. (Stonyhurst) f. 30^v Geometer, þat can geometri.] c1450 (?a1402) J. Trevisa tr. De Regimine Principum (Digby 233) f. 2 (MED) Þanne the gemeter schal not make persuasions. 1483 Catholicon Anglicum (BL Add. 89074) (1881) 153/2 A Geometer [?c1475 BL Add. 15562 Gemitrician], geometer. 1556 N. Grimald tr. Cicero Thre Bks. Duties iii. f. 121 The Geometers [L. geometrae] ar wonte not to proue all: but to require, y^t certein thinges be graunted. 1610 J. Guillim Display of Heraldrie ii. vii. 71 I know the learned Geometer will find many more lines heere then I doe mention. 1709 G. Berkeley Ess. New Theory of Vision §155. 181 The manner wherein Geometers describe a right Line or Circle. 1762 J. Betts Let. 19 Sept. in Jenkinson Papers (1949) 61 He speaks of our most skilful astronomer and geometer, Dr. Halley. 1812 H. Davy Elements Chem. Philos. 37 Cavendish..reasoned with the caution of a geometer upon the results of his experiments. 1893 R. S. Ball Story of Sun 4 As a geometer would express it, an ellipse of high eccentricity. 1933 A. S. Eddington Expanding Universe i. 32 Geometers can invent spaces which have not either of these properties; but actual space, surveyed by physical measurement, is not of so unlimited a nature. 2009 Daily Tel. 3 Aug. 21/1 With 18 sides, an octadecahedron, it is a shape familiar to solid geometers and organic chemists, but not to many others. †2. Perhaps: an exciseman; an inspector of weights and measures. Obsolete. rare. ΚΠ 1635 M. Parker Robin Conscience sig. Bj In stead of the quart pot of Pewter I fill small Jugs, and need no Tutor: I Quarteridge giue to the Geometer most duely. 3. Chiefly U.S. A person who measures land or the earth; a surveyor. Cf. geometrician n. 2. Now chiefly historical.Cf. quot. 1662 at geometrian n. ΘΚΠ the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveyor geometrian?c1400 geometrician?1537 surveyor1551 land-meter1582 land-measurer1632 measurer1636 geodesian1650 geometrist1772 geometer1773 arpenteur1789 land-surveyor1792 fieldman1838 1773 J. G. W. De Brahm Let. 23 Oct. in 14th Rep. Royal Comm. Hist. MSS (1895) x. 178 Is informed that his geometer Joseph Purcell has secretly taken copies of his surveys since his absence from America and entered the service of John Stuart Indian Superintendent. 1802 in A. Ellicott Jrnl. (1803) 51 The geometer, and other officers that are to be employed, are already on their way from New Orleans. 1869 C. Goepp tr. B. Auerbach Black Forest Village Stories 249 When your geometer gets an appointment, won't you have to go with him? 1914 T. E. Spencer Story Old St. Louis 165 He found employment in the United States Land Survey office in this city, as chief geometer. 1998 N.Y. Rev. Bks. 5 Feb. 5/2 Antonio de Roberts is a Milanese geometer—an Italian profession that lies somewhere between architect and quantity surveyor. 2004 D. Roberts Dream State iii. 79 He later became surveyor general of the Florida territory, geometer of the peninsula. 4. The caterpillar of a geometrid moth, which typically travels by clasping with the front legs, drawing the hind end forward so that the back loops in an arch, then clasping with the prolegs at the hind end and straightening to extend the head. Also (more fully geometer moth): an adult geometrid moth.The caterpillars have various popular names alluding to their manner of progression, including inchworm, looper, and measuring-worm. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Geometridae > class of caterpillars geometer1817 the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > unspecified and miscellaneous types > miscellaneous types high-flyer?1749 nonpareil1749 porphyry1819 satin carpet1819 satin pygmy1828 scopolian1829 chalk carpet1832 sieve lackey1832 sprawler1832 tissue1832 treble bar1832 treble gold stripe1832 vesper-beauty1832 viburnian1832 yellowhead1832 flame carpet1862 sting-moth1863 lilac moth1868 luna-moth1869 melon-caterpillar1884 wood-nymph1885 unicorn-moth1891 geometer moth1897 the suspected1908 porina1929 tomato pinworm1931 mopane worm1966 1817 W. Kirby & W. Spence Introd. Entomol. II. 292 Their name of geometer was given them..because they seem to measure the surface they pass over, as they walk, with a chain. 1869 E. Newman Illustr. Nat. Hist. Brit. Moths 49 The Second Great Division or Tribe of Moths are called Geometers (in science Geometræ), from the peculiar attitude which the caterpillars assume in walking. 1897 Daily News 13 Sept. 6/2 The larvæ of the geometer moths..are widely known as ‘stick caterpillars’. 1916 E. Step Marvels Insect Life (rev. ed.) 405 It is one of the family of geometers..coloured in harmony either with the foliage upon which they feed or with the branches upon which they rest. 1951 Dict. Gardening (Royal Hort. Soc.) III. 1323/2 In the Geometers or ‘Loopers’..the number of prolegs is reduced to 2 pairs which results in the looping effect of the caterpillars when walking. 2002 R. T. Mitchell & H. S. Zim Butterflies & Moths (rev. ed.) 140 More than 1,000 species of geometers live in North America; some are serious pests. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online June 2022). < n.c1450
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