Definition of light water in English:

light water

Line breaks: light water

noun

[mass noun]
  • 1Water containing the normal proportion (or less) of deuterium oxide, i.e. about 0.02 per cent, especially to distinguish it from heavy water.
    More example sentences
    • Because of their heavier weight, heavy water molecules evaporate less readily than light water molecules.
    • However, eddying mixing motion can overturn this density profile, momentarily lifting heavy water above light water.
    • The Chernobyl reactor used graphite as moderator and boiling light water as coolant, while the Koodankulam reactor uses light water as moderator and coolant.
  • 2Foam formed by water and a fluorocarbon surfactant, which floats on flammable liquids lighter than water and is used in firefighting.

More definitions of light water

Definition of light water in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody