ha·lon 
(hālŏn)
(hālŏn)n.
Any of several halocarbons used as fire-extinguishing agents.
- overproportionate
- overproportionately
- overprotect
- overprotection
- overprotective
- overprotectiveness
- overqualified
- overran
- overrate
- overreach
- overreacher
- overreact
- overreaction
- overreactive
- overrefine
- overrefined
- overrefinement
- overregulate
- overregulation
- overrepresentation
- overrepresented
- override
- overriding
- overridingly
- overripe