förorening

förorena (“pollute, contaminate, taint”) +‎ -ing (“-ing”)

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förorening c

1. pollution, contamination, tainting

   Synonym: förorenande

2. (the contents of) a single instance of the above, e.g. (the contents of) an oil spoil or (the pathogen contained in) a food contamination
3. (technical, in some fields) an additive

Also more generally similar to English pollution in compounds like ljusförorening (“light pollution”).

• ljusförorening (“light pollution”)
• luftförorening (“air pollution”)

• förorening in Svensk ordbok (SO)