forurening
- The act or process of making something dirty or polluted, especially the contamination of the natural environment. nounThe factory's emissions have led to significant forurening of the local river.Efforts to reduce forurening have become a priority for environmental agencies.
- The presence in or introduction into the environment of a substance which has harmful or poisonous effects. nounAir forurening is a major concern in urban areas due to vehicle emissions.The government has implemented new regulations to combat water forurening.