The boundary of a body of air, contacting the earth's surface, that has fallen below the dew point and usually contains fog. / A division in altitude above which fog appears.

(physics, meteorology) A type of fog caused by the passage of moist air horizontally over a relatively colder surface and the consequent cooling of that air to below its dew point.

A dense fog that consists of fine particles of ice.

(military) Petroleum based oil specially blended to produce a dense, efficient, screening smoke when vaporized and recondensed at atmospheric temperatures. Officially, fog oil is standard grade fuel number 2 (SGF2).

(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.

cloud forest

plural of fog forest

(informal) fog fluid

The liquid pumped through a fogger to generate the artificial fog.