Definition of mesosaprobic in US English:

mesosaprobic

adjective

Ecology
  • Designating, relating to, or characteristic of running water which is partially polluted.

Origin

1920s. From meso- + saprobic, after German Mesosaprob.

Pronunciation

mesosaprobic

/ˌmɛsə(ʊ)səˈprəʊbɪk/