isoclinaladj.n.

/ʌɪsəʊˈklʌɪnəl/

Etymology: < iso- comb. form + Greek κλίνειν to bend, slope, slant: compare ἰσοκλινής equally balanced. In modern French isocline.

A. adj.

1. Physical Geography. Indicating equal magnetic inclination: applied to lines connecting points on the earth's surface at which the magnetic inclination or dip is the same; relating to or containing such lines.

ΚΠ

1839 Sabine (title) Report on the Magnetic Isoclinal and Isodynamic Lines in the British Islands.

1849 E. Sabine in J. F. W. Herschel Man. Sci. Enq. (Lords Commissioners Admiralty) 27 In theoretical respects, the Isodynamic and Isoclinal lines are not less essential.

1887 Gumming Electr. treated Experimentally 52 The lines on the isoclinal map.

2. Geology. (See quot.)Cf. the analogous anticlinal, synclinal, applied to less acute bends or folds of strata.

ΘΚΠ

the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > others

plagioclinal1879

isoclinal1882

downdip1904

ptygmatic1907

up-dip1916

1882 A. Geikie Text-bk. Geol. 503 Where a series of strata has been so folded and inverted that its reduplicated members appear to dip regularly in one direction, the structure is termed isoclinal.

1882 A. Geikie Text-bk. Geol. 930 The flexures are often so rapid that after denudation of the tops of the arches the strata are isoclinal, or appear to be dipping all in the same direction.

B. n. Physical Geography.

An isoclinal line: see A. 1.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > magnetism > earth magnetism > [noun] > lines on maps or diagrams

isoclinal1889

isogonic1892

isogam1940

1889 Nature 11 Apr. 565/1 The directions of the isogonals, isoclinals, and lines of equal horizontal force have been found.

This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018).

单词	isoclinal
释义	isoclinaladj.n. /ʌɪsəʊˈklʌɪnəl/ Etymology: < iso- comb. form + Greek κλίνειν to bend, slope, slant: compare ἰσοκλινής equally balanced. In modern French isocline. A. adj. 1. Physical Geography. Indicating equal magnetic inclination: applied to lines connecting points on the earth's surface at which the magnetic inclination or dip is the same; relating to or containing such lines. ΚΠ 1839 Sabine (title) Report on the Magnetic Isoclinal and Isodynamic Lines in the British Islands. 1849 E. Sabine in J. F. W. Herschel Man. Sci. Enq. (Lords Commissioners Admiralty) 27 In theoretical respects, the Isodynamic and Isoclinal lines are not less essential. 1887 Gumming Electr. treated Experimentally 52 The lines on the isoclinal map. 2. Geology. (See quot.)Cf. the analogous anticlinal, synclinal, applied to less acute bends or folds of strata. ΘΚΠ the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > others plagioclinal1879 isoclinal1882 downdip1904 ptygmatic1907 up-dip1916 1882 A. Geikie Text-bk. Geol. 503 Where a series of strata has been so folded and inverted that its reduplicated members appear to dip regularly in one direction, the structure is termed isoclinal. 1882 A. Geikie Text-bk. Geol. 930 The flexures are often so rapid that after denudation of the tops of the arches the strata are isoclinal, or appear to be dipping all in the same direction. B. n. Physical Geography. An isoclinal line: see A. 1. ΘΚΠ the world > matter > physics > electromagnetic radiation > magnetism > earth magnetism > [noun] > lines on maps or diagrams isoclinal1889 isogonic1892 isogam1940 1889 Nature 11 Apr. 565/1 The directions of the isogonals, isoclinals, and lines of equal horizontal force have been found. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018). < adj.n.1839
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