Category:Gyroidal

Gy*roid"al, a. Etym: [Gr. -oid + -al.]

1. Spiral in arrangement or action.

2. (Crystallog.)

Defn: Having the planes arranged spirally, so that they incline all to the right (or left) of a vertical line; -- said of certain hemihedral forms.

3. (Opt.)

Defn: Turning the plane of polarization circularly or spirally to the right or left.