lightwater

L1I1G2H4T1W4A1T1E1R1

noun

Water in its standard form.

UncommonScrabble 17
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Meanings

lightwater1

nounlightwater (uncountable)
  1. Alternative form of light water.
    1. uncountableWater in its standard form.

      To renew the nuclear option, then, it is necessary to reexamine lightwater reactor technology. This clearly leads to a priority effort to define advanced lightwater reactor systems.

      1986, Fusion Advisory Panel (U.S.), United States Congress House Committee on Science and Technology. Subcommittee on Energy Research and Production, Fiscal Year 1987 Department of Energy Authorization, page 248
      2 more examples

      I confess I am not fully aware of all the technicalities, but to what extent then is reprocessed fuel capable of being reused in lightwater reactors, compared to being reused in breeder reactors?

      1978, United States Congress House Committee on Science and Technology Subcommittee on the Environment and the Atmosphere, Environmental Implications of the New Energy Plan

      If the U.S. had helped us acquire a lightwater capability [following the Gallucci-Kang talks in 1993], even if from a third country, we could have avoided the current problem, and we would have reached a point of greater confidence, and we would now enjoy improved relations.

      2010, Richard Rhodes, The Twilight of the Bombs, →ISBN
    2. uncountableFire-fighting foam.

      An aqueous film-forming foam consisting of water and a special detergent, lightwater overspreads Class B fires -- those fed by petroleum -- and smothers them instantly.

      1974 September, Mort Schultz, “Fire on the Flight Deck!”, in Popular Mechanics, volume 142, number 3
      2 more examples

      The new FFE vehicle system can quickly detect fire and automatically activate lightwater foam to provide fail safe protection for both the vehicle, machinery and the operators.

      1983, Mine and Quarry Mechanisation, page 110

      The City of Mountlake Terrace Fire Department has lightwater and foam capabilities and there are adequate fire hydrants along Interstate 5 and 220th Street S.W. to handle most emergencies.

      1983, Environmental Impact Statement: I-5 Ramp Construction at 220th St Interchange

Lightwater2

proper noun
  1. A large village in Windlesham parish, Surrey Heath borough, Surrey, England (OS grid ref SU9262).

Rhymes & wordplay

Anagrams

leatwright
Cite this entry
APA

lightwater. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lightwater

MLA

“lightwater.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lightwater. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “lightwater,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lightwater.

Source: lightwater on Wiktionary, CC BY-SA 4.0.