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Dictionary

pol•lu•tant

Pronunciation: (pu-lOOt'nt), [key]
—n.
1. something that pollutes.
2. any substance, as certain chemicals or waste products, that renders the air, soil, water, or other natural resource harmful or unsuitable for a specific purpose.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

poll tax

pollute

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