the introduction of harmful substances or products into the environment: air pollution.
pollution | Define pollution at Dictionary.com
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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...
Define pollution: the action or process of making land, water, air, etc., dirty and
not safe or suitable to use — pollution in a sentence.
Pollution definition, the act of polluting or the state of being polluted. See more.
(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 ...
Definition of pollution: Presence of matter (gas, liquid, solid) or energy (heat,
noise, radiation) whose nature, location, or quantity directly or indirectly alters ...
Pollution is unwanted, harmful stuff contaminating an environment. The race to
develop clean energy is motivated by high levels of pollution that people fear are
Unsure of the meaning of a word? Double-click it to look it up in Merriam-
Webster's ... Photograph:The smokestacks of chemical plants send pollution into
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 ...