Columnar definition

Columnar





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2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Columnar \Co*lum"nar\, a. [L. columnaris, fr. columna.]
     Formed in columns; having the form of a column or columns;
     like the shaft of a column.
     [1913 Webster]
  
     {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 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.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  columnar
       adj 1: having the form of a column; "trees with columned trunks";
              "columnar forms"; "a columnlike tree trunk" [syn: {columniform},
               {columnlike}]
       2: characterized by columns; "columnar construction"

















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