water column

English
A water column at Leicester London Road Station, England

Noun

water column (plural water columns)

  1. (environmental sciences, hydrology) A notional column of water from the surface to the bottom in a natural setting, notable for the differences in physical and chemical properties at various depths.
  2. (deep-sea diving) The zone in which ascent and descent occur.
  3. (rail transport) a column alongside a railway track used to replenish a steam engine's water supply.

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Translations
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