n. [ L. acus needle + E. node. ] (Geom.) 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. [ 1913 Webster ]
n. [ Gr. &unr_; up + &unr_; way. ] (Elec.) The positive pole of an electric battery, or more strictly the electrode by which the current enters the electrolyte on its way to the other pole; -- opposed to