noun
- a colorless, odorless gaseous compound containing bromine, fluorine, and carbon, used in fire extinguishers and now largely phased out due to ozone depletion
Usage: technical; often used in plural form 'halons'; regulated under the Montreal Protocol
Examples
- Halon fire extinguishers were once standard equipment in aircraft cockpits.
- The production of halon has been banned in most developed countries since the 1990s.
- Halon 1211 and Halon 1301 are the most common types used in fire suppression systems.
- Environmental regulations have phased out halon in favor of more ozone-friendly alternatives.
- Military facilities still maintain some halon-based systems for critical applications.