1. [ noun ] (military) a line of (usually military) units following one after another
Related terms: file military
2. [ noun ] (chemistry) 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
Synonyms: chromatography_column
Related terms: tube
3. [ noun ] (mathematics) a linear array of numbers one above another
Related terms: array table
4. [ noun ] anything tall and thin approximating the shape of a column or tower
Synonyms: tower pillar

"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"

Related terms: shape columella hoodoo loom
5. [ noun ] (writing) an article giving opinions or perspectives
Synonyms: editorial newspaper_column
Related terms: article agony_column newspaper
6. [ noun ] a vertical structure standing alone and not supporting anything (as a monument or a column of air)
Synonyms: pillar
Related terms: structure obelisk totem_pole
7. [ noun ] (architeture) a tall cylindrical vertical upright and used to support a structure
Synonyms: pillar
Related terms: upright pile support_column atlas caryatid pilaster newel temple shaft pedestal entasis capital architecture
Similar spelling:   columnea