column

n 1: a line of (usually military) units following one after

another

2: 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 [syn: {chromatography

column}]

3: a linear array of numbers one above another

4: anything tall and thin approximating 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" [syn: {tower}, {pillar}]

5: an article giving opinions or perspectives [syn: {editorial},

{newspaper column}]

6: a vertical structure standing alone and not supporting

anything (as a monument or a column of air) [syn: {pillar}]

7: a tall cylindrical vertical upright [syn: {pillar}]