Definition of light water in English:

light water

Syllabification: light wa·ter

noun

1Water containing the normal proportion (or less) of deuterium oxide, i.e., about 0.02 percent, 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.

Definition of light water in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day guzzle
Pronunciation: ˈgəzəl
verb
eat or drink (something) greedily