Hyperboloid

3 definitions found

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

  Hyperboloid \Hy*per"bo*loid\, a. (Geom.)
     Having some property that belongs to an hyperboloid or
     hyperbola.
     [1913 Webster]

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



  Hyperboloid \Hy*per"bo*loid\, n. [Hyperbola + -oid: cf. F.
     hyperbolo["i]de.] (Geom.)
     A surface of the second order, which is cut by certain planes
     in hyperbolas; also, the solid, bounded in part by such a
     surface.
     [1913 Webster]
  
     {Hyperboloid of revolution}, an hyperboloid described by an
        hyperbola revolving about one of its axes. The surface has
        two separate sheets when the axis of revolution is the
        transverse axis, but only one when the axis of revolution
        is the conjugate axis of the hyperbola.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  hyperboloid
       n : a quadric surface generated by rotating a hyperbola around
           its main axis