conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases | (architecture) a tall vertical cylindrical structure standing upright and used to support a structure |
an electric railway operating below the surface of the ground (usually in a city) | a vertical cylindrical structure standing alone and not supporting anything (such as a monument) |
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | 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 |
(anatomy) any hollow cylindrical body structure | any tubular or pillar-like supporting structure in the body |
a hollow cylindrical shape | an article giving opinions or perspectives |
| a page or text that is vertically divided |
| a line of units following one after another |
| a vertical array of numbers or other information |
| anything that approximates the shape of a column or tower |