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1. Having the shape of a column.
2. Constructed with or having columns.


(kəˈlʌm nər)

1. shaped like a column.
2. characterized by columns.
3. Also, co•lum′nal. printed or arranged in columns.
[1720–30; < Late Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.columnar - having the form of a column; "trees with columniform trunks"; "columnar forms"; "a columnlike tree trunk"
columned - having or resembling columns; having columns of a specified kind (often used as a combining form); "a columned portico"; "trees with columned trunks"; "white-columned houses"
2.columnar - characterized by columns; "columnar construction"
columned - having or resembling columns; having columns of a specified kind (often used as a combining form); "a columned portico"; "trees with columned trunks"; "white-columned houses"
References in classic literature ?
There was none: all was interwoven stem, columnar trunk, dense summer foliage--no opening anywhere.
Extending from head to foot was a columnar, or perpendicular, inscription, in phonetic hieroglyphics, giving again his name and titles, and the names and titles of his relations.
We require that a man should be so large and columnar in the landscape, that it should deserve to be recorded that he arose, and girded up his loins, and departed to such a place.
Half-way up the mountain, some great masses of the columnar rock, shaded by laurel-like trees, and ornamented by others covered with fine pink flowers but without a single leaf, gave a pleasing effect to the nearer parts of the scenery.
One of the agents with a picket of a few of our blacks, armed for the purpose, was keeping guard over the ivory; but deep within the forest, red gleams that wavered, that seemed to sink and rise from the ground amongst confused columnar shapes of intense blackness, showed the exact position of the camp where Mr.
Painted white, they rose high into the dusk of the skylight, sloping like a roof; and the whole lofty space resembled the interior of a monument, divided by floors of iron grating, with lights flickering at different levels, and a mass of gloom lingering in the middle, within the columnar stir of machinery under the motionless swelling of the cylinders.
Recent IDC research (announced in a 2/12/10 news release) shows that at the current rate of development and adoption, it is likely that within five years most data warehouses will be stored in a columnar fashion.
During the repetitive process of inflammation and repair, a metaplastic process occurs, and abnormal columnar epithelium that is normally seen in the stomach replaces the injured esophageal epithelium.
provider of the ParAccel Analytic Database, a high-speed, low-effort, columnar database management system, today announced it has been selected as a finalist of the Red Herring 100 Global Award.
Although their cause has not been clearly determined, they are known to be retention cysts that are lined with columnar or cuboidal epithelium.
The columnar ParAccel Analytic Database, with its load-and-go simplicity and ability to run on standard hardware, directly addresses a large and important market for extremely high performing analytic solutions that are robust, simple and affordable.
1) The ameloblastic cells are columnar epithelial cells palisaded about the periphery of the tumor nests, with a subnuclear vacuolization away from the basement membrane.