Example Sentences for desuetude. 1  The laws against heresy have fallen into desuetude in England, but while they lasted they were simply ferocious. 2  This fashion, Germans inform you, is falling into desuetude; but it falls slowly. 3  This custom was kept up until early in this century, when it fell into desuetude.
Eutrophication (Greek: eutrophia (from eu well + trephein nourish.); German: Eutrophie), or more precisely hypertrophication, is the ecosystem's response to the addition of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.
Eutrophication is the enrichment of surface waters with plant nutrients. While eutrophication occurs naturally, it is normally associated with anthropogenic sources of nutrients.