Definition of polysaprobic in English:

polysaprobic

Pronunciation /ˌpɒlɪsəˈprəʊbɪk/

adjective

Ecology
  • Of, designating, or inhabiting an aquatic environment that is poor in dissolved oxygen and contains much chemically reducing decayed organic matter.

Origin

1920s. From poly- + saprobic, after German polysaprob; compare mesosaprobic, oligosaprobic.