columnarityn.
/kɒləmˈnarɪti/ rare. Apparently only attested in dictionaries or glossaries.
Columnar quality or state.
ΚΠ
1864 in Webster's Amer. Dict. Eng. Lang.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2021).
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n.1864