The quality or state of being arranged in columns or having a columnar form; vertical alignment in columns.
From 'columnar' + the suffix '-ity' (Latin '-itas') meaning 'the state of being.' A technical term used in materials science, geology, and architecture.
Basalt columns (like the Giant's Causeway in Ireland) display natural columnarity—cooling lava contracts in hexagonal patterns creating those impossible-looking perfect columns completely without human design.
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