单词 | polygonic |
释义 | polygonicadj.1 = polygonal adj. 1. ΘΚΠ the world > space > shape > angularity > specific angular shape > [adjective] > polygonal polygon1570 multangular1606 multilateral1606 multangled1611 polygonal1653 multangulous1660 polygonous1660 polyangular1675 polygonial1701 polygonar1715 polygonic1792 multi-angular1842 the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > polygonal polygon1570 multangular1606 multilateral1606 multangled1611 quinquangled1636 multangulous1660 polygonous1660 polyangular1675 polygonar1715 polygonal1757 polygonic1792 the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > with particular section or base > polygonal polygonal1653 polygonial1701 polygonar1715 polygonous1728 polygon1762 polygonic1792 1792 A. Walker Travelling Remarks Excursion to Paris in Remarks Tour London to Lakes (new ed.) 235 The Ponds are in all regular shapes, viz. round, square, polygonic, and many very long. 1842 Civil Engineer & Architect's Jrnl. 5 151/1 The earliest buildings were circular, octagonal, or polygonic. 1852 Sci. Amer. 8 May 265/2 This lathe is for producing either irregular or symmetrical polygonic forms. 1924 Geografiska Annaler 6 125 Among the forces active in modern times are treated the slow downwards moving of the earth..and the ‘streaked ground’ with its transition to polygonic ground. 1957 Philos. Q. 7 109 Yonder tower looks round (at this distance) but it may be polygonic. 2000 Chicago Sun-Times (Nexis) 14 Mar. 38 You can still find the classic polygonic glass Heinz bottle in restaurants. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). polygonicadj.2 Chemistry. polygonic acid n. a bitter sesquiterpenoid bicyclic crystalline acid, C15H22O3, occurring in water pepper, Persicaria (or Polygonum) hydropiper, and formerly used medicinally as a stimulant and diuretic. ΚΠ 1871 C. J. Rademaker in Amer. Jrnl. Pharmacy 43 490 The solution of the crystals had an acid reaction with litmus... This acid may be called polygonic acid. 1931 M. Grieve Mod. Herbal II. 743/1 The plant's irritant medicinal properties are due to an active principle not fully understood, called Polygonic Acid. 1985 Phytochemistry 24 1521 Polygonic acid, which shows weak anticomplement activity, has been isolated from the leaves of Polygonum hydropiper. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.11792adj.21871 |
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