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halon
(redirected from Halons)

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ha·lon  (hln)
n.
Any of several halocarbons used as fire-extinguishing agents.

halon [ˈhælɒn]
n
(Chemistry) any of a class of chemical compounds derived from hydrocarbons by replacing one or more hydrogen atoms by bromine atoms and other hydrogen atoms by other halogen atoms (chlorine, fluorine, or iodine). Halons are stable compounds that are used in fire extinguishers, although they may contribute to depletion of the ozone layer

halon  (hln)
Any of several compounds consisting of one or two carbon atoms combined with bromine and one or more other halogens. Halons are gases and are used as fire-extinguishing agents. They are between three and ten times more destructive to the ozone layer than CFCs are.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.halon - a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer
organic compound - any compound of carbon and another element or a radical
pollutant - waste matter that contaminates the water or air or soil


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? Mentioned in ? References in periodicals archive
 
Halons have been used for years in many kinds of fire-extinguishing systems.
The most common chemicals include chlorofluorocarbons (CFCs), halons and chlorine-based solvents that have been used for more than 30 years as refrigerants, cleaning agents, spray propellants, foams and fire extinguishers.
Bromine in the atmosphere comes principally from halons and methyl bromide.
 
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