co·lum·nar /kəˈlʌmnɚ/
(a.)圓柱的,圓筒形的,分縱欄印刷或書寫的
co·lum·nar /kəˈləmnɚ/ 形容詞
(拉columnaris)柱狀的
Co·lum·nar a. 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.
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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"