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more about columnar
columnar |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Columnar \Co*lum"*nar\, a. [L. columnaris, fr columna.] Formed in columns; having the form of a column or columns; like the shaft of a column. {Columnar epithelium} (Anat.), epithelium in which the cells are prismatic in form and set upright on the surface they cover. {Columnar structure} (Geol.), a structure consisting of more or less regular columns, usually six-sided, but sometimes with eight or more sides. The columns are often fractured transversely, with a cup joint, showing a concave surface above. This structure is characteristic of certain igneous rocks, as basalt, and is due to contraction in cooling. From WordNet r 1.6 [wn]: columnar adj 1: having the form of a column; "trees with columned trunks"; "columnar forms"; "a columnlike tree trunk" [syn: {columniform}, {columnlike}] 2: characterized by columns; "columnar construction"
more about columnar