polyzonal

polyzonal is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.Consisting of many zones or rings. Polyzonal lens (Opt.), a lens made up of pieces arranged zones or rings, -- used in the lanterns of lighthouses.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

Reverse-dictionary questions

Definition-first questions whose answer is polyzonal.

Sources