A fog or haze made up of dust or smoke particles, which consequently does not moisten exposed surfaces.

plural of fog light

(informal) A mental condition in which the subject experiences problems in concentrating, thinking clearly, or remembering things.

(computer graphics) A gradient that progressively obscures objects as they get further from the camera, typically used to avoid the processing overhead of rendering distant objects.

The uncertainty in situational awareness experienced by participants in military operations. / (video games) The shrouded concealment of enemy activity outside of areas observable by a player's forces.

plural of fog collector

Any mist rising from swampy ground, formerly believed to cause fever; a miasma.

plural of fog horn

plural of fog-horn

(weather) A low-lying fog extending only a few feet above ground.