• WordNet 3.6
    • n halon a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer
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In literature:

The Tagalogs called such true slaves sanguiguilir, and the Visayans halon.
"The Philippine Islands, 1493-1898 - Volume 40 of 55" by Francisco Colin
Wicked Willie they called me w'en Hi wasn't old enough to toddle halone.
"The Incendiary" by W. A. (William Augustine) Leahy

In news:

For many years, halon extinguishers were recognized as the best choice for protecting watercraft.
Halon was a clean, gaseous agent that quickly put out fires without collateral damage.
However, this prohibition does not apply to emergency releases of halons for legitimate fire extinguishing , explosion inertion, or other emergency applications for which the systems or equipment were designed.
Halon is not a banned product, although some states are banning the sale of certain hand-held extinguishers for noncommercial use.
Effective January 1, 1994, the production and importation of new halon was banned in the developed world by international agreement-the Montreal Accord.