columnar
adjective
co·lum·nar
| \ kə-ˈləm-nər
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Definition of columnar
1
: of, relating to, resembling, or characterized by columns
2
: of, relating to, being, or composed of tall narrow somewhat cylindrical or prismatic epithelial cells
Examples of columnar in a Sentence
Recent Examples on the Web
Among them are a terrific pair of life-size young athletes poised to begin a footrace; two columnar water nymphs identified as the work of Stephanos, a Greek sculptor in Rome; and a leaping month-old piglet, poised on rear hooves. — Christopher Knight, latimes.com, "Review: Getty Villa’s ‘Buried by Vesuvius’ is exquisite and, at times, explicit," 3 July 2019 Four years later, the National Arboretum in Washington, D.C., introduced an even more columnar variety named Capital. — Adrian Higgins, The Seattle Times, "Scientists thought they had created the perfect tree. But it became a nightmare.," 17 Sep. 2018 The temperature at which magma cools to form these columnar joints is a question that has fascinated the world of geology for a very long time. — David Grossman, Popular Mechanics, "Scientists Uncover the Secret of Strange, Geometrical Rock Formations," 12 Apr. 2018 Rounded barrel cactuses have low surface area, relative to their succulent storage capacity, while columnar cactuses or prickly pears expose only their thin edges at the tops or sides to direct sunlight. — Natalie Angier, New York Times, "As Rains Ease in the West, Cactuses Shine Brighter Than Ever," 24 Apr. 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'columnar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for columnar
columnar
adjective
co·lum·nar
| \ kə-ˈləm-nər
\
\
Medical Definition of columnar
: of, relating to, being, or composed of tall narrow somewhat cylindrical or prismatic epithelial cells
Barrett's esophagus is the condition in which a metaplastic columnar epithelium replaces the squamous epithelium that normally lines the distal esophagus.— Stuart Jon Spechler, Scientific American Medicine Bulletin, July 1998 When the development of the teeth is about to commence, the mouth cavity is lined by an epithelium which consists of a layer of low columnar cells.— James Henderson Scott et al., Introduction to Dental Anatomy, 1974