The Catcher in the Rye
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GYROIDAL
[adjective] 
1. spiral in arrangement or action.
2. Crystallogy: javing 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.) turning the plane of polarisation circularly or spirally to the right or left.
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Etymology: via Latin from Greek guro-, from guros - circle.