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fog(2) (iou)



fog noun2. M16.
[Perh. back-form. from FOGGY adjective.]
A thick cloud of minute water droplets suspended in the atmosphere at or near the earth's surface, esp. when combined with dust or smoke; the obscurity produced by this. M16.
J. Masefield Then fog came down..and hid the seas.
b. transf. Any abnormal darkened state of the atmosphere; an opaque mass of smoke. E17.
fig. A state of perplexity. Esp. in in a fog. E17.
J. Gardner He wandered..in a mental fog, unable to recognize his car when he saw it.
Photography. A deposit of silver on a negative or print etc., obscuring the image; an unwanted clouding. M19.
Comb.: fog-bank a dense haze at sea; fog-bound unable to proceed because of fog; fog-bow a phenomenon like a rainbow, produced by the action of light on fog; fog-dog = DOG noun 10; foghorn noun & verb (a) noun a sounding instrument (on a ship or on shore) warning ships in a fog; fig. (colloq.) a loud penetrating voice; (b) verb trans. & intrans. (colloq.) utter or talk in a loud penetrating voice; fog-lamp: for improving visibility in fog; fogman a railwayman who places fog-signals; fog-signal (a) a detonator placed on a railway line in foggy weather to warn drivers; (b) (the signal given by) a foghorn.
fogless adjective free from fog M19.