(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.

plural of fog forest

cloud forest

plural of fog machine

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

(informal) fog fluid

Synonym of fogger (device that generates artificial fog)

plural of fog bank

plural of fog line

(automotive) A bright red lamp (normally one of a pair) at the rear of a motor car that can be switched on during foggy weather so as to avoid collisions from cars approaching from behind