Definition of eutrophic adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//juːˈtrɒfɪk//
; NAmE NAmE//juːˈtrɑːfɪk//
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(of a lake, river, etc.) containing too many food substances that encourage plants to grow, which then kill animal life by using too much oxygen from the water Word Originearly 18th cent. (denoting ‘a medicine promoting good nutrition’): from Greek eutrophia, from eu ‘well’ + trephein ‘nourish’. The current sense dates from the 1930s.
See the Oxford Advanced American Dictionary entry: eutrophic