English

Noun

lightwater ‎(uncountable)

1. Alternative form of light water
   1. Water in its standard form.
      • 1978, United States Congress House Committee on Science and Technology Subcommittee on the Environment and the Atmosphere, Environmental Implications of the New Energy Plan:

        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?

      • 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:

        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.

      • 2010, Richard Rhodes, The Twilight of the Bombs, ISBN 0307593738:

        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.

   2. Fire-fighting foam.
      • 1974 September, Mort Schultz, “Fire on the Flight Deck!”, in Popular Mechanics, volume 142:

        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.

      • 1983, Mine and Quarry Mechanisation, page 110:

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

        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.