Anallagmatic

1 definition found

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

  Anallagmatic \An`al*lag*mat"ic\, a. [Gr. ?; 'an priv. + ? a
     change.] (Math.)
     Not changed in form by inversion.
     [1913 Webster]
  
     {Anallagmatic curves}, a class of curves of the fourth degree


        which have certain peculiar relations to circles; --
        sometimes called {bicircular quartics}.
  
     {Anallagmatic surfaces}, a certain class of surfaces of the
        fourth degree.
        [1913 Webster]