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English
Noun
light water (uncountable)
- (inorganic chemistry) Water in its standard form of H2O, containing two protium (1H) hydrogen atoms, as opposed to heavy water (which contains deuterium, 2H).
- Foam formed by water and a fluorocarbon surfactant, used in firefighting because it floats on flammable liquids lighter than water.
2001, Roger C. Mardon, An Illustrated History of Fire Engines, →ISBN, page 112:The light water (AFFF) of the TACR was to be backed up by fluorinated protein foam instead of standard protein foam.
2014, John R. Ridley, Safety at Work, →ISBN, page 504:These fires can be extinguished with water spray, alcohol-resistant foam, light water, vaporising liquids ("Halons"), carbon dioxide and dry powder.
2015, Phil Hughes, Ed Ferrett, Introduction to Health and Safety at Work, →ISBN:They can be extinguished by carbon dioxide, dry powder, water spray, light water and vaporising liquid
Synonyms
(protium water):
Hypernyms
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(protium water):
Anagrams