halon
📖 中文释义
- 卤化烷（常用以灭火）
🧩 词形变化
复数 halons
📘 English Definition（英文释义）
- n. a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer