Definition of macrobenthos in English:

macrobenthos

noun

Ecology
  • The macrofauna of the benthos; specifically the organisms at or near the sea floor or a lake bed with a length of at least 1 mm.

Origin

1940s. From macro- + benthos. Compare microbenthos.

Pronunciation

macrobenthos

/ˌmakrəʊˈbɛnθɒs/