Gyroidal

1 definition found

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

  Gyroidal \Gy*roid"al\ (j[-i]*roid"al), a. [Gr. gy^ros circle +
     -oid + -al.]
     1. Spiral in arrangement or action.
        [1913 Webster]
  
     2. (Crystallog.) Having the planes arranged spirally, so that


        they incline all to the right (or left) of a vertical
        line; -- said of certain hemihedral forms.
        [1913 Webster]
  
     3. (Opt.) Turning the plane of polarization circularly or
        spirally to the right or left.
        [1913 Webster]