smog
noun
[ smɒɡ ]
• fog or haze intensified by smoke or other atmospheric pollutants.
• "exhaust emissions are mainly responsible for the smog"
Similar:
exhaust fumes,
fumes,
smoke,
pollution,
gas,
fog,
haze,
vapour,
clag,
pea-souper,
Origin:
early 20th century: blend of smoke and fog1.
