light water
"Light water" is a term used primarily in scientific contexts to differentiate ordinary water from heavy water.
Definition
C1Chemistry
(technical)Water composed of hydrogen and oxygen, where the hydrogen atoms are mostly protium.
Example
- Light water is the most common form of water found in nature.
C2Nuclear Engineering
(technical)Ordinary water used as a coolant and neutron moderator in nuclear reactors.
Example
- Light water reactors are the most prevalent type of nuclear reactors in the world.
C2Firefighting
(technical)Foam created by mixing water and a fluorocarbon surfactant, used to extinguish fires on flammable liquids.
Example
- Firefighters used light water to put out the blaze caused by the oil spill.
Similar
Terms that have similar or relatively close meanings to "light water":
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