noun acnode a point whose coordinates satisfy the equation of a curve although it does not lie on the curve; an isolated point. The origin is an acnode of the curve y2 + x2 = x3 3
noun acnode an isolated point on the graph of an equation 3
noun acnode (geometry) An isolated point not upon a curve, but whose coordinates satisfy the equation of the curve so that it is considered as belonging to the curve. 0