noun
1. : a haze caused by dust or smoke in the air
2. : a fog occurring above the dew point and caused by some substance (as coal-tar vapor) that prevents evaporation of the water droplets
noun
1. : a haze caused by dust or smoke in the air
2. : a fog occurring above the dew point and caused by some substance (as coal-tar vapor) that prevents evaporation of the water droplets
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012