- a line of units following one after another
- 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
- a vertical array of numbers or other information;
"he added a column of numbers"
- anything that approximates the shape of a column or tower;
"the test tube held a column of white powder" "a tower of dust rose above the horizon" "a thin pillar of smoke betrayed their campsite"
- an article giving opinions or perspectives
- a vertical cylindrical structure standing alone and not supporting anything (such as a monument)
- (architecture) a tall vertical cylindrical structure standing upright and used to support a structure
- a page or text that is vertically divided;
"the newspaper devoted several columns to the subject" "the bookkeeper used pages that were divided into columns"
- any tubular or pillar-like supporting structure in the body