asphyxiation
1. [ noun ] (medicine) the condition of being deprived of oxygen (as by having breathing stopped)
Synonyms: suffocation
Related terms: hypoxia gag suffocate
2. [ noun ] killing by depriving of oxygen
Synonyms: suffocation
Related terms: killing choking suffocate
Similar spelling:   asphyxiating
  asphyxiate
  asphyxiator
  asphyxiated