Definition of mesotrophic in English:

mesotrophic

Pronunciation /ˌmɛsə(ʊ)ˈtrɒfɪk/ /ˌmɛsə(ʊ)ˈtrəʊfɪk/

adjective

Ecology
  • Especially of a lake or wetland: moderately rich in dissolved nutrients. Compare "eutrophic", "oligotrophic".

Origin

Early 20th century; earliest use found in Arthur George Tansley (1871–1955), plant ecologist. From meso- + -trophic, after German mesotroph.