triagonaladj.
/trʌɪˈaɡənəl/ Triangular.
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the world > space > shape > angularity > specific angular shape > [adjective] > triangular
three-corneredc1400
three-squaredc1400
three-squarec1450
triangle1474
triangled1486
triangular?1541
three-corner1548
trilater1570
trigonal1571
three-corned1584
three-sided1601
triangulated1610
triangulate1611
triform1621
triangulary1622
triquetrous1658
trilateral1660
triagonal1665
trigonic1788
cocked hat1846
heater-shaped1847
the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > triangular
triangle1474
triangled1486
triangular?1541
trigonal1570
trilater1570
triangulated1610
triangulate1611
triform1621
triangulary1622
triquetrous1658
trilateral1660
trilineal1715
trilinear1715
trigonic1788
trigonate1815
triagonal1831
1665 R. Hooke Micrographia 158 Piggs-hair (A) is somewhat triagonal, and seems to have neither pith nor pore.
1794 A. Thomas Newfoundland Jrnl. (1968) 121 Its shape is Triagonal and it measures Three Hundred and Fifty Miles in length.
1831 W. Scott Pirate (new ed.) I. xv. 266 (note) They change ranks, and place themselves in a triagonal figure.
1879 Proc. U.S. National Mus. 2 270 Ostracionts with triagonal, tetragonal, or pentagonal carapaces.
This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2021).
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adj.1665