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单词 polygonic
释义

polygonicadj.1

Brit. /ˌpɒlɪˈɡɒnɪk/, U.S. /ˌpɑliˈɡɑnɪk/
Origin: Either (i) formed within English, by derivation. Or (ii) a borrowing from Greek, combined with an English element. Etymons: polygon n.; Greek πολύγωνον , -ic suffix.
Etymology: < polygon n. or its etymon ancient Greek πολύγωνον + -ic suffix. Compare earlier polygon adj., polygonal adj., polygonial adj., polygonous adj.
= 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

Brit. /ˌpɒlɪˈɡɒnɪk/, U.S. /ˌpɑliˈɡɑnɪk/
Origin: Formed within English, by derivation. Etymons: polygonum n., -ic suffix.
Etymology: < polygonum n. + -ic suffix.
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).
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adj.11792adj.21871
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