单词 | bitangential |
释义 | > as lemmasbitanˈgential bitanˈgential adj. designating a curve that passes through the points of contact of the bitangents of a given curve; also ellipt. ΘΚΠ the world > relative properties > number > geometry > curve > [adjective] > relating to point(s) in punctated1710 bipartite1858 punctate1860 inflectional1862 bicuspidal1867 bitangential1873 trinodal1873 1873 G. Salmon Treat. Higher Plane Curves (ed. 2) ix. 336 The equation of the bitangential curve of a quartic. 1873 G. Salmon Treat. Higher Plane Curves (ed. 2) ix. 340 If the equation of this tangential curve were once formed, then, by forming the condition that the given tangent should touch this curve, we should immediately have the equation of the bitangential. < as lemmas |
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