smogginess


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Noun1.smogginess - air pollution by a mixture of smoke and fogsmogginess - air pollution by a mixture of smoke and fog
portmanteau, portmanteau word, blend - a new word formed by joining two others and combining their meanings; "`smog' is a blend of `smoke' and `fog'"; "`motel' is a portmanteau word made by combining `motor' and `hotel'"; "`brunch' is a well-known portmanteau"
air pollution - pollution of the atmosphere; "air pollution reduced the visibility"