mindmap root((烟雾)) haze implies a diffusion of smoke or dust or light vapor sufficient to blur vision but not to obstruct it: mountains rendered blue by the ~. mist implies a suspension of water droplets, floating and slowly falling through the air, that impairs but does not cut off vision: hair damp from the ~. fog implies a denser suspension than a mist, with power to enshroud and to cut off vision more or less completely: visibility reduced to inches by the ~. smog applies to a haze, mist, fog made thicker and darker by the smoke and fumes of an industrial area: cast a pall of ~ over the city.