Added 9 October 2026
zonation
noun
noun Definition from Wiktionary (CC BY-SA). More about zonation at Wordnik → Where our words come from →
- An arrangement or distribution of things into zones.
- The formation of a hollow sphere by the nucleus in metaphase, with a film of granulated protoplasm that marks the boundary of the compound oosphere in Cystopus bliti.
Origin
From zone + -ation.
From Wiktionary, via Kaikki.org (CC BY-SA)