Meaning of strophoid


Pronunciation: (strof'oid, strō'foid), [key]
— n. Geom.
  1. a plane curve generated by the loci of points p and pprime; on a straight line that intersects the y-axis at a point n and the minus x-axis at a fixed point q, such that pn = npprime; = on, as on changes, where o is the origin. Equation: = x(x+a)/(a−x). y
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.