# Light water

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> Source: https://en.wikipedia.org/wiki/Light_water
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**Light water** or **Lightwater** may refer to:

## Science

- [Deuterium-depleted water](/source/Deuterium-depleted_water), which has a lower concentration of deuterium than occurs naturally on Earth
- [Water](/source/Water), especially water that is not heavy water - Water, the coolant in a [light-water reactor](/source/Light-water_reactor), a type of nuclear reactor

## Other uses

- [Lightwater](/source/Lightwater), a town in Surrey, England

## See also

- [Semiheavy water](/source/Semiheavy_water), a form of water in which one of the protium atoms in light water is replaced with deuterium atoms
- [Heavy water](/source/Heavy_water), a form of water that contains a larger than usual amount of deuterium molecules
- [Super-heavy water](/source/Super-heavy_water), a form of water in which both protium atoms in light water are replaced with tritium atoms

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Adapted from the Wikipedia article [Light water](https://en.wikipedia.org/wiki/Light_water) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Light_water?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.