[yoo-trof-ik, -troh-fik]
Medicine/Medical. pertaining to or being in a condition of eutrophy.
Ecology. (of a lake) characterized by an abundant accumulation of nutrients that support a dense growth of algae and other organisms, the decay of which depletes the shallow waters of oxygen in summer.

1880–85; eutroph(y) + -ic

eutrophication, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
eutrophic (juːˈtrɒfɪk, -ˈtrəʊ-)
Compare oligotrophic (of lakes and similar habitats) rich in organic and mineral nutrients and supporting an abundant plant life, which in the process of decaying depletes the oxygen supply for animal life
[C18: probably from eutrophy, from Greek eutrophia sound nutrition, from eutrophos well-fed, from eu- + trephein to nourish]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

eutrophic eu·troph·ic (yōō-trŏf'ĭk, -trō'fĭk)
Relating to, characterized by, or promoting eutrophia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
eutrophic  [%PREMIUM_LINK%]     (y-trŏf'ĭk, -trō'fĭk)  Pronunciation Key 
Having waters rich in phosphates, nitrates, and organic nutrients that promote a proliferation of plant life, especially algae. Used of a lake, pond, or stream. Compare dystrophic, oligotrophic.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Tissue nitrogen and phosphorus in seaweeds in a tropical eutrophic environment: what a long-term study tells us.
Eutrophic lakes show wide seasonal changes in their biological and chemical conditions.
Since it is a reservoir, the typical nutrient concentration expected in an eutrophic lake is not observed.
Eutrophic: characteristic of water with high nutrient concentrations.
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