单词 | oscnode |
释义 | oscnode Geom.|ˈɒsknəʊd| [f. osculate + node.] A node of a plane curve where the two branches have a contact of a higher order.
1852Cayley Wks. II. 28 The oscnode is a double point which is a point of osculation on one of the branches through it. 1873Salmon Higher Plane Curves 207 Three nodes may coincide as consecutive points of a curve of finite curvature giving rise not to a triple point but to the singularity called an oscnode, this is in fact an osculation or three-pointic contact of two branches of the curve. |

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