- a cloudlike mass or layer of minute water droplets or ice crystals near the surface of the earth, appreciably reducing visibility.
- any darkened state of the atmosphere, or the diffused substance that causes it.
- a state of mental confusion or unawareness; daze; stupor: The survivors were in a fog for days after the catastrophe.
- a hazy effect on a developed negative or positive, caused by light other than that forming the image, by improper handling during development, or by the use of excessively old film.
- a mixture consisting of liquid particles dispersed in a gaseous medium.
- to cover or envelop with or as if with fog: The steam in the room fogged his glasses.
- to confuse or obscure: The debate did little else but fog the issue.
- to bewilder or perplex: to fog the mind.
- to produce fog on (a negative or positive).
- to become enveloped or obscured with or as if with fog.
- (of a negative or positive) to become affected by fog.
- a second growth of grass, as after mowing.
- long grass left standing in fields during the winter.
- a mass of droplets of condensed water vapour suspended in the air, often greatly reducing visibility, corresponding to a cloud but at a lower level
- a cloud of any substance in the atmosphere reducing visibility
- a state of mental uncertainty or obscurity
- a blurred or discoloured area on a developed negative, print, or transparency caused by the action of extraneous light, incorrect development, etc
- a colloid or suspension consisting of liquid particles dispersed in a gas
- to envelop or become enveloped with or as if with fog
- to confuse or become confused
- to produce fog on (a negative, print, or transparency) or (of a negative, print, or transparency) to be affected by fog
- a second growth of grass after the first mowing
- grass left to grow long in winter