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Pollution - Wikipedia


Pollution is the introduction of contaminants into the natural environment that cause adverse ..... Jump up ^ "Pollution - Definition from the Merriam-Webster Online Dictionary". Merriam-w...

Pollution | Definition of Pollution by Merriam-Webster


the action or process of making land, water, air, etc., dirty and not safe or suitable to use. : substances that make land, water, air, etc., dirty and not safe or ...

Pollution | Define Pollution at Dictionary.com


Pollution definition, the act of polluting or the state of being polluted. See more.

Pollutant | Define Pollutant at Dictionary.com


(pə-l t'nt) A substance or condition that contaminates air, water, or soil. Pollutants can be artificial substances, such as pesticides and PCBs, or naturally ...

pollution - Dictionary Definition : Vocabulary.com


pollution. Pollution is unwanted, harmful stuff contaminating an environment. The race to develop clean energy is motivated by high levels of pollution that ...

What is pollution? definition and meaning - BusinessDictionary.com


Definition of pollution: Presence of matter (gas, liquid, solid) or energy (heat, noise, radiation) whose nature, location, or quantity directly or indirectly alters ...

Pollution - definition of pollution by The Free Dictionary


The act or process of polluting or the state of being polluted, especially the contamination of soil, water, or the atmosphere by the discharge of harmful ...

pollution -- Kids Encyclopedia | Children's Homework Help | Kids ...


Unsure of the meaning of a word? Double-click it to look it up ... Photograph:The smokestacks of chemical plants send pollution into the air. The smokestacks of ...

pollution - definition of pollution in English | Oxford Dictionaries


the presence in or introduction into the environment of a... Meaning, pronunciation, example sentences, and more from Oxford Dictionaries.

What is the definition of pollution? | Reference.com


Pollution is defined as the bringing of unsafe or toxic substances into the environment, such as the soil, the air and water. The act of polluting usually renders the ...

the act of polluting or the state of being polluted.
the introduction of harmful substances or products into the environment: air pollution.
Source: Dictionary.com
pollution | Define pollution at Dictionary.com
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