oscnode

名词 n.
中文释义

英文释义

名词 n.
  1. A node of a plane curve where two branches meet with contact order 3.
    — 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.

词形变化

oscnodes plural

词源

Blend of osculation + node.
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