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pollution
/ əˈːʃə /
noun
the act of polluting or the state of being polluted
harmful or poisonous substances introduced into an environment
pollution
The contamination of air, water, or soil by substances that are harmful to living organisms. Pollution can occur naturally, for example through volcanic eruptions, or as the result of human activities, such as the spilling of oil or disposal of industrial waste.
◆ Light from cities and towns at night that interferes with astronomical observations is known as light pollution. It can also disturb natural rhythms of growth in plants and other organisms.
◆ Continuous noise that is loud enough to be annoying or physically harmful is known as noise pollution.
◆ Heat from hot water that is discharged from a factory into a river or lake, where it can kill or endanger aquatic life, is known as thermal pollution.
Other 51Թ Forms
- self-pollution noun
51Թ History and Origins
Origin of pollution1
Example Sentences
Transportation causes around 30% of the greenhouse gas pollution in the United States, and it’s one of the sectors where we have many known technologies to replace our polluting ways.
That concluded that mining activity reduced poverty slightly, but that there was significant "worsening of environmental well-being" including increased local water and air pollution.
The world's seas are facing threats on multiple fronts from plastic pollution to climate change.
Cities often have lower pollen counts than rural areas, but pollution in urban areas can make symptoms worse.
The Mayor of London, Sir Sadiq Khan, opposes a third runway at Heathrow for this reason as well as because of noise and air pollution.
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