columnar

1. a. Formed in columns; having the form of a column or columns; like the shaft of a column. Source: opted

2. adj. having the form of a column Source: wordnet

3. adj. characterized by columns Source: wordnet

4. 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 priismatic 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. Source: webster

5. Formed in columns; having the form of a column or columns; likethe shaft of a column. Columnar epithelium (Anat.), epithelium inwhich the cells are priismatic in form, and set upright on thesurface they cover.-- Columnar structure (Geol.), a structure consisting of more orless regular columns, usually six-sided, but sometimes with eight ormore sides. The columns are often fractured transversely, with a cupjoint, showing a concave surface above. This structure ischaracteristic of certain igneous rocks, as basalt, and is due tocontraction in cooling. Source: adambom

6. j:100 s. characterized by columns Source: ecdict

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