单词 | crunode |
释义 | crunode Geom.|ˈkruːnəʊd| [Irreg. f. L. crux cross + node.] A point on a curve where it crosses itself; a node with two real tangents.
1873Salmon Higher Plane Curves 22 In the first case the tangents are both real..such a point is termed a crunode. Hence cruˈnodal a., having a crunode.
1873Salmon Higher Plane Curves 126 Nodal cubics may obviously be subdivided into crunodal and acnodal. |

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