单词 | triacnodal |
释义 | > as lemmastriacnodal triacnodal adj. Brit. /ˌtrʌɪakˈnəʊdl/ , U.S. /ˌtraɪækˈnoʊd(ə)l/ Geometry having three acnodes or conjugate points (see conjugate adj. 6a).ΘΚΠ the world > relative properties > number > geometry > point > [adjective] > specific numbers of sextactic1859 triacnodal1873 tricrunodal1873 bipunctual1878 uninodal1894 1873 G. Salmon Treat. Higher Plane Curves 245 The quartic is a triacnodal curve composed of a trigonoid figure within the triangle and of the three vertices as acnodes. < as lemmas |
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