Recent Examples of columnar from the Web
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.
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.
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medical Definition of columnar
- 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
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Britannica English: Translation of columnar for Arabic speakers
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