1. A line of units following one after another Noun
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 Noun
3. A vertical array of numbers or other information Noun
4. Anything that approximates the shape of a column or tower Noun
5. An article giving opinions or perspectives Noun
6. A vertical cylindrical structure standing alone and not supporting anything (such as a monument) Noun
7. (architecture) a tall vertical cylindrical structure standing upright and used to support a structure Noun
8. A page or text that is vertically divided Noun
9. Any tubular or pillar-like supporting structure in the body Noun