definition of pollutant
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- pollutant noun [C]. › a ​substance that ​pollutes: Sulphur ​dioxide is one of several pollutants that are ​released into the ​atmosphere by ​coal-fired ​power ​stations. (Definition of pollutant from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press).
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- Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.
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pollutant pollutant. n. 1. (Environmental Science) a substance that pollutes, esp a chemical or similar substance that is produced as a waste product of an industrial process.(pəˈlut nt).n.ollutant. n. 1. (Environmental Science) a substance that pollutes, esp a chemical or similar substance that is produced as a waste product of an industrial process. (pəˈlut nt). n.
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A Definition of Air Pollution : a fog made heavier and darker by smoke and chemical fumes; also: a photochemical haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen especially from automobile exhaust.
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pollution Medical Definition of POLLUTION. 1. : the action of polluting or the condition of being polluted. 2. : pollutant.ull Definition of POLLUTION. 1. : the action of polluting especially by environmental contamination with man-made waste; also: the condition of being polluted. 2.
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Water Pollution Toxic Substance -- A toxic substance is a chemical pollutant that is not a naturally occurring substance in aquatic ecosystems. The greatest contributors to toxic pollution are herbicides, pesticides and industrial compounds.
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What are the major air pollutants that cause severe air pollution? A primary pollutant can be defined as a harmful chemical that directly enters the air as a result of a natural event or human activities. For example, when coal, oil, natural gas or wood is burnt, carbon dioxide and carbon monoxide are formed, automobiles contributing a large share of carbon monoxide.
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What is Air Pollution? Pollution is now a common place term, that our ears are attuned to. We hear about the various forms of pollution and read about it through the mass media. Air pollution is one such form that refers to the contamination of the air, irrespective of indoors or outside. A physical, biological or chemical alteration to the air in the atmosphere can be termed as pollution.
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Paolo Soleri introduction of contaminants into the natural environment that cause adverse change. Pollution is when something is added to the environment that is harmful or poisonous to all living things. Smoke or dust in the air is a type of pollution as it is bad for the lungs when we breath in. Sewage in drinking water is another type of pollution, as it can make people ill because it contains germs and viruses.
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Is Carbon Dioxide A Pollutant? June 19, 2014. Driving down on Saturday, we stopped off at Crickley Country Park in Gloucestershire. On the information board there was the usual eco stuff we often see these days. At the top it mentioned (roughly) Carbon Dioxide is a pollutant and is harmful to the environment. According to the Oxford Dictionary, the definition of pollution is; The presence in or introduction into the environment of a substance which has harmful or poisonous effects.
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Sources of Pollution Point source pollution is defined by the U.S. Environmental Protection Agency (EPA) as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe...”.Examples of point sources include: 1  discharges from wastewater treatment plants; 2  operational wastes from industries; and.oint source pollution is defined by the U.S. Environmental Protection Agency (EPA) as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe...”. Examples of point sources include:
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Definition of 'pollute' Definition of 'pollute'. pollute (pəluːt ) To pollute water, air, or land means to make it dirty and dangerous to live in or to use, especially with poisonous chemicals or sewage. Heavy industry pollutes our rivers with noxious chemicals. A number of beaches in the region have been polluted by sewage pumped into the Irish Sea.
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air pollution This means they must cope with air pollution, low levels of oxygen, and high levels of methane and carbon dioxide. I have sent you Clear Skies legislation that mandates a 70 percent cut in air pollution from power plants over the next 15 years. I have sent you Clear Skies legislation that mandates a 70-percent cut in air pollution from power plants over the next 15 years. air pollution definition. The addition of harmful chemicals to the atmosphere.
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- For example, scores for a test taken on July 3, 2016, are reportable through July 2, 2021. For individuals who tested between August 1, 2011, and June 30, 2016, GRE test scores are valid for five years after the testing year in which you tested (July 1–June 30). For example, scores for a test taken on May 15, 2015, are reportable through June 30, 2020.
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Eassy about pollution in hindi.......? Pollution means any contamination of air, soil, water and environment. Why, even loud noise and sound is also a part of pollution.Air pollution-Harmful gases and tiny particles (like carbon monoxide, nitrogen dioxide and sulphur dioxide) when released into the air pollute the air.The smoke released from burning fuel, from factories and not to forget the motor cars are the major sources of air pollution.ollution means any contamination of air, soil, water and environment. Why, even loud noise and sound is also a part of pollution.
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What Is the Definition of Air Pollution? Air pollution occurs when the air contains pollutants such as gases, fumes and dust in harmful amounts. Air pollution can be harmful to the health of humans and animals if left unchecked. Keep Learning.
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- Air Pollution: which is generally in the form of a gas emitted by factories, power plants, automobiles, etc. such as the familiar greenhouse gases including carbon dioxide and methane but can also include particulate matter such as is the case with asbestos or biological matter that could be released into the air.
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-  Pollution is the introduction of contaminants into the natural  environment that causes adverse changes. Pollution occurs when any  form of impurity is introduced into a … clean source. It is most  often used in an environmental concept like air or water pollution.
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Air pollution An air pollutant is a substance in the air that can have adverse effects on humans and the ecosystem. The substance can be solid particles, liquid droplets, or gases. A pollutant can be of natural origin or man-made. Pollutants are classified as primary or secondary.
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"""Pollution In Hindi Language"" Essays and Research Papers" Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
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- Persistent organic pollutants (POPs) are a group of organic, or carbon-based, chemicals that are highly toxic and persistent in the environment. They can also travel great distances and become widely distributed through natural processes, and accumulate in the fatty tissue of living things.
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Water Pollution: Definition, Types, and Sources Though water pollution may occur from a variety of sources, there are two terms used to describe how the water became polluted. When water is polluted from point sources, this is pollution from a discrete location. This discrete location could be a factory, a sewer pipe or a runoff from a single farm. The BP oil spill in 2010 is an example of point source pollution, because the massive amount of oil leaked from a single point of origin.
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Water pollution FAQ Frequently Asked Questions There are several classes of water pollutants. The first are disease-causing agents. These are bacteria, viruses, protozoa and parasitic worms that enter sewage systems and untreated waste. A second category of water pollutants is oxygen-demanding wastes; wastes that can be decomposed by oxygen-requiring bacteria.
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air pollution The condition in which air is contaminated by foreign substances, or the substances themselves. Air pollution consists of gaseous, liquid, or solid substances that, when present in sufficient concentration, for a sufficient time, and under certain conditions, tend to interfere with human comfort, health or welfare, and cause environmental damage.
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- uk ​ /pəˈluːʃən/ us ​ ENVIRONMENT. › damage caused to water, air, etc. by harmful substances or waste: air/water pollution. It is the biggest environmental pollution incident in the history of the country. › the harmful substances that cause damage to water, the air, etc.:
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Criteria air pollutants Criteria air Pollutants (CAP), or criteria pollutants, are a set of air pollutants that cause smog, acid rain, and other health hazards. CAPs are typically emitted from many sources in industry, mining, transportation, electricity generation and agriculture.