Found 1 items, similar to Polyzonal.
English → English (gcide) Definition: Polyzonal Polyzonal \Pol`y*zon"al\, a. [Poly- + zonal.] Consisting of many zones or rings. [1913 Webster] Polyzonal lens (Opt.), a lens made up of pieces arranged zones or rings, -- used in the lanterns of lighthouses. [1913 Webster]