单词 | isogon |
释义 | isogonn. Geometry. rare. Apparently only attested in dictionaries or glossaries. A figure having equal angles. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > with equal angles, sides, or perimeters isopleure1592 isoperimetera1690 isogon1696 1696 E. Phillips New World of Words (new ed.) Isagon. So 1700 J. Moxon Math. made Easie 1721 in N. Bailey Universal Etymol. Eng. Dict. Draft additions 1993 2. [ < German Isogone (J. W. Sandström 1909, in Annalen d. Hydrogr. u. Maritimen Meteorol. 37 242), < Greek ἰσογώνιος equiangular.] A line (imaginary or on a map, etc.) joining the points at which some specified angle has a particular value; spec. in Physical Geography, an isogonic line. ΚΠ 1911 V. Bjerknes et al. Dynamic Meteorol. & Hydrogr. II. vii. 63 We have agreed to represent observed directions by numbers... We can draw curves joining the points where these numbers are equal. In all points of such a curve the vector will have the same direction... These curves may therefore be called isogonal curves or isogons. 1940 Chambers's Techn. Dict. Isogonic line, isogon, an imaginary line drawn through points of equal magnetic declination at any time. 1958 Jrnl. Brit. Interplanetary Soc. 16 342 We can now trace lines of equal configuration in our diagram, which we call isogons. 1975 Nature 14 Aug. 571/2 The use of isogons in the analysis of fold geometry can only be fully applied if the limb dip at the inflection points of the inner and outer arcs is identical. 1976 S. E. Stiegeler Dict. Earth Sci. 152/2 Isogon, 1. A line joining points of constant wind direction. 2. A line joining points of equal magnetic variation. This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2022). < |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。