pollution pol‧lu‧tion [pəˈluːʆn] noun [uncountable]
when substances make air, water, soil etc dangerously dirty, or these substances themselves:
• the effects of industrial pollution
• They plan to introduce measures to reduce air pollution from traffic fumes.
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pollution UK US /pəˈluːʃən/ noun [U] 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.
Financial and business terms. 2012.