Synonym: befoulment, contamination, defilement. Similar words: evolution, resolution, revolutionary, execution, collection, institution, distribution, prosecution. Meaning: [pə'luːʃn] 
n. 1. undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities 2. the state of being polluted 3. the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors.
n. 1. undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities 2. the state of being polluted 3. the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors. 
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91. The pollution has already turned vast areas into a wasteland.
92. Many people are concerned about the pollution of the environment.
93. Stricter controls on air pollution would help to reduce acid rain.
94. The company just thumbs its nose at the legislation on pollution.
95. The explosion at the chemical factory caused a major pollution scare.
96. They seem intent on shutting their eyes to the problems of pollution.
96. Wish you can benefit from sentencedict.com and make progress everyday!
97. They were required to cut pollution levels, on pain of a £10 000 fine if they disobeyed.
98. The air pollution exceeds most acceptable levels by 10 times or more.
99. The industry has signed a non-binding agreement to reduce pollution.
100. The EU has set strict limits on levels of pollution.
101. We have not yet clearly identified the source of the pollution.
102. They claim that one in twenty deaths can be directly attributed to air pollution.
103. There will be stiff penalties if companies exceed these levels of pollution.
104. Allegations of a cover-up of the effects of industrial pollution have been strongly denied by the Environment Minister.
105. Air pollution in the city had reached four times the acceptable levels.
106. Old buses are major contributors to pollution in British cities.
107. The pollution could decimate the river's thriving population of kingfishers.
108. The report names and shames companies that are not doing enough to fight industrial pollution.
109. Too few people are awake to the dangers of noise pollution.
110. The authority can chase up the source of the pollution and demand that the owner clean it up.
111. Because of pollution,(sentencedict.com) this lake is now too acid to support fish.
112. They notified the authorities that pollution in that area was serious.
113. We're trying to raise awareness about the environment in general and air pollution in particular .
114. A huge row has developed about the pollution emanating from a chemical plant.
115. It was a courageous decision to resign in protest at the company's pollution record.
116. The chemicals have been identified as a source of pollution .
117. The manifesto includes tough measures to tackle road congestion and environmental pollution.
118. Some of the stone had been eaten away by pollution.
119. Oil companies have been accused of acquiescing in the pollution of the ocean.
120. We must address ourselves to the problem of traffic pollution.
More similar words: evolution, resolution, revolutionary, execution, collection, institution, distribution, prosecution, contribution, constitution, institutional, collaboration, constitutional, roll up, poll, notion, option, action, nation, motion, edition, fiction, section, question, portion, mention, auction, location, position, zonation.