污染 Traditional form: 污染 Pinyin (reading): wūrǎn Definitions: to pollute; to contaminate (lit. and fig.) Characters: 污 - filthy, dirty; polluted, impure 染 - dye; to catch; to infect; to be contagious Traditional characters: 污 - filthy, dirty; polluted, impure 染 - dye; to catch; to infect; to be contagious