| noun | a line of units following one after another |
| noun | a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands |
| noun | a vertical array of numbers or other information “he added a column of numbers” |
| noun | anything that approximates the shape of a column or tower “the test tube held a column of white powder” |
| noun | an article giving opinions or perspectives |
| noun | a vertical cylindrical structure standing alone and not supporting anything (such as a monument) |
| noun | (architecture) a tall vertical cylindrical structure standing upright and used to support a structure |
| noun | a page or text that is vertically divided “the newspaper devoted several columns to the subject” |
| noun | any tubular or pillar-like supporting structure in the body |
| columnar | adjective | having the form of a column |
| tower | verb | appear very large or occupy a commanding position |
| columnist | noun | a journalist who writes editorials |
| editorialist | noun | a journalist who writes editorials |
| editorialize | verb | insert personal opinions into an objective statement |