halon

英 ['heɪlɒn] 美 ['heɪlɑːn]

• n. 卤代烷；卤化甲或乙烷的有机混合物（可用于灭火)

英英释义

Noun:

1. a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer