NationMaster - Encyclopedia: Column (disambiguation)

In architecture, a column is a support structure.
In botany, a column (the gynostemium) is part of an orchid.
In mathematics, column space is a property of a matrix.
An ammunition column is a group of military vehicles in a division that carry ammunition.
Columns is a Tetris-style video game.
In a relational database, a column consists of a set of data values of a particular type, one in each row of the table.
- Similiarly, a spreadsheet has vertical columns placed horizontally in a 2-dimensional grid.
In newspapers and magazines (and internet journalism), a column is a recurring piece written by a columnist. This sense comes from newspapers' columnal arrangement of articles.

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Categories: Disambiguation

Results from FactBites:

Column Summary (1064 words)
	Columns are frequently used to support beams or arches on which the upper parts of walls or ceilings rest.
	In the architecture of ancient Egypt as early as 2600 BC the architect Imhotep made use of stone columns whose surface was carved to reflect the organic form of bundled reeds; in later Egyptian architecture faceted cylinders were also common.
	The design of most columns incorporates entasis; a planned reduction in diameter along the height of the column, so that the top is as little as 83% of the bottom diameter.

Column (disambiguation) - Wikipedia, the free encyclopedia (294 words)
	In biology a cortical column is a group of neurons in the brain cortex which can be successively penetrated by a probe inserted perpendicularly to the cortical surface, and which have nearly identical receptive fields.
	An ammunition column is a group of military vehicles in a division that carry ammunition.
	In speleology (cave science) a column is a term for a speleothem formed when a stalactite and stalagmite grow together.

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