Look up: columnar

1. 
   columnar
   [adj] - characterized by columns
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. 
   columnar
   very dense ionization along the path of a charged ionizing particle in a gas material Category: Physics • a type of deck dam in which the massive buttresses are replaced by a series of inclined columns Category: Building industry • a coarse structure of parallel columns of grains, which is caused by highly directional solidification resulting from sharp thermal gradients. <...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. 
   Columnar
   Co·lum'·nar adjective [ Latin columnaris , from columna .] 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 ...
   Found on http://www.encyclo.co.uk/webster/C/113
   
   
4. 
   Columnar
   In biology, `columnar` refers to the shape of epithelial cells that are taller than they are wide. They may or may not bear cilia or microvilli. Ciliated columnar epithelium can be found in the respiratory tract, where the cells secrete mucus and move it via beating of the cilia. Non-ciliated columnar epithelium can be found in digestive tract, including stomach and intestine. Columnar epithelium with microvilli are found in the intestine, where ...
   Found on http://en.wikipedia.org/wiki/Columnar
   
   
5. 
   Columnar
   • (a.) Formed in columns; having the form of a column or columns; like the shaft of a column.
   Found on http://thinkexist.com/dictionary/meaning