anoxic

/æˈnɑksɪk/
adjective
  1. Having no oxygen; lacking oxygen.
    • The soil became anoxic after heavy flooding.
    • Anoxic water in the lake killed all the fish.
    • Scientists study anoxic environments to understand early life on Earth.
Synonyms
What does "anoxic" mean? | whatsthatwordmean | whatsthatwordmean