Search Result for "halon": 
Wordnet 3.0

NOUN (1)

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 a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer; 



WordNet (r) 3.0 (2006):

halon
    n 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         have been replaced by bromine and other halogen atoms; very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