D defs.my
Entry 1 sense Webster, 1913

Acnode

· Ac·node · IPA
01 n. An isolated point not upon a curve, but whose coördinates satisfy the equation of the curve so that it is considered as belonging to the curve.
  1. 1.
    An isolated point not upon a curve, but whose coördinates satisfy the equation of the curve so that it is considered as belonging to the curve.(Geom.)