Lemniscata

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Lemniscata \Lem`nis*ca"ta\ (l[e^]m`n[i^]s*k[=a]"t[.a]),
  Lemniscate \Lem*nis"cate\ (l[e^]m*n[i^]s"k[asl]t), n. [L.
     lemniscatus adorned with ribbons, fr. lemniscus a ribbon
     hanging down, Gr. lhmni`skos.] (Geom.)
     A curve in the form of the figure 8, with both parts
     symmetrical, generated by the point in which a tangent to an


     equilateral hyperbola meets the perpendicular on it drawn
     from the center.
     [1913 Webster]