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pollutant

pollutant

36 4.3
Something, often a chemical, that makes water, air or soil dirty and harmful
  • noun
  • /pəˈluːtənt/
translation icon : contaminante
  • The factory's waste was a major pollutant that contaminated nearby rivers.
  • air pollutants
  • pollutants in water
  • emissions of pollutants

I think that the industrial pollutants are probably contributing to some degree.

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Examples

  • We tend to think of runoff water as the source of pollutants in rivers, lakes, and estuaries.

    Academic text (1999)
  • I think that the industrial pollutants are probably contributing to some degree.

  • Yes, X is the distance between the source of the pollutant and the location of interest.

  • This is about one particular pollutant, which is SPM.

  • So reducing those pollutants is a health gain.

  • There are different chemical pollutants in food.

  • On the other hand, the pollutants that you put in the air impose a cost on society.

  • According to health experts, many indoor air pollutant mitigation measures are available at a relatively low cost.

    Academic text (1992)
  • The diverse range of pollutants present reflects the reality of a busy Third World city.

    Academic text (1991)
  • Haze particles may be either natural substances or pollutants emitted by human activities.

    Academic text (1992)

Synonyms

contaminant
vspollutant
31 6.1

Something that makes water, soil or food unsafe

is limited to air water and soil contamination causing dirtiness or harm

Antonyms

108 1.0

A liquid or powder used to clean surfaces

purifier
  • Specialized
8 3.5

A machine that cleans water or air by removing harmful substances

How Harmful

toxin
  • Specialized
140 5.3
pollutant
36 4.3
contaminant
31 6.1
impurity
19 5.1

Surface Forms

pollutant singular
pollutants plural

Morphology

pollutant = pollute (transparent) = pollute + ant

Formed by the verb 'pollute' + the productive nominal/agentive suffix '-ant', so the meaning 'a substance that pollutes' is directly derived.

Etymology

Pollutant comes from an old Latin root pollu- meaning 'to make dirty', and you can see the same idea in pollute and pollution. So, a pollutant is any substance that makes air, water, or soil dirty or harmful.