eutrophication
- n excessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant life; the decomposition of the plants depletes the supply of oxygen, leading to the death of animal life
he argued that the controlling factor in eutrophication is not nitrate but phosphate
euxine sea
- n a sea between Europe and Asia; a popular resort area of eastern Europeans
ev
- n a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt