Meaning of “pollution” in the English Dictionary

(Definition of “pollution” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"pollution" in American English

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pollutionnoun [ U ]

us /pəˈlu·ʃən/

the act of polluting, or the substances that pollute:

air pollution
Pollution from the factory could be contaminating nearby wells.

(Definition of “pollution” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"pollution" in Business English

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pollutionnoun [ U ]

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.:

New research found that industrial pollution goes high in the atmosphere and travels far.

(Definition of “pollution” from the Cambridge Business English Dictionary © Cambridge University Press)