Definition

1. Noun:
   • The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors: This refers to the action or process of making something, especially the environment, dirty or harmful by introducing a substance or factor that is not naturally present or is present at unsafe levels.
   • The state of being polluted: This describes the condition of something that has been contaminated or made impure.
   • An undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities: This is the most common modern usage, referring to the presence of damaging materials in the air, water, or land caused by human actions.

Usage

The word "pollution" is a non-count noun. It is used to describe a general concept or a specific instance of environmental damage. You do not typically say "a pollution" or "pollutions." Instead, you can use it with quantifiers like "a lot of pollution," "some pollution," or specify the type, such as "air pollution."

Examples

• General Concept:
  • Industrial pollution is a major problem for the river.
  • The government is introducing new laws to reduce pollution.
• Specific State:
  • The pollution in the city was so bad that people wore masks.
  • Scientists are measuring the level of pollution in the bay.

Advanced Usage

• "Pollution control": The management or technology used to limit the release of pollutants.
  • The factory invested in new pollution control equipment.
• "Pollution abatement": The reduction or elimination of pollution.
  • The treaty focuses on pollution abatement in coastal waters.

Variants and Related Words

• Pollute (verb): To make air, water, or land dirty and dangerous.
  • The chemical spill polluted the groundwater.
• Pollutant (noun): A substance that causes pollution.
  • Carbon dioxide is a major air pollutant.
• Polluter (noun): A person, company, or country that causes pollution.
  • The company was fined for being a major polluter.

Synonyms

• Contamination: The action or state of making something impure by exposure to a poisonous or polluting substance. (Often used interchangeably with pollution, but can be broader, including radioactive or bacterial contamination.)
• Impurity: The quality or condition of being impure. (More general, not always related to the environment.)

Related Phrases

• Light pollution: Brightening of the night sky caused by street lights and other man-made sources, which obscures the stars.
  • Astronomers complain that light pollution makes it hard to see the stars.
• Noise pollution: Harmful or annoying levels of noise.
  • The constant traffic creates terrible noise pollution in the neighborhood.
• Visual pollution: Unattractive or damaging man-made landscapes, such as billboards or litter.
  • Many people consider the old billboards to be visual pollution.

Idioms

• "Fouling one's own nest": This idiom describes harming one's own immediate environment or interests, similar to causing pollution in one's own home or community.
  • By dumping waste into the river, the factory is fouling its own nest.

Noun

1. the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
2. the state of being polluted
3. undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities