Main Entry: ¹fog

Pronunciation: \ˈfȯg, fäg\

Function: noun

Etymology: probably back-formation from foggy

Date: 1544

1 a : vapor condensed to fine particles of water suspended in the lower atmosphere that differs from cloud only in being near the ground b : a fine spray or a foam for firefighting
2 : a murky condition of the atmosphere or a substance causing it
3 a : a state of confusion or bewilderment <spent the morning in a fog> b : something that confuses or obscures <hid behind a fog of rhetoric>
4 : cloudiness or partial opacity in a developed photographic image caused by chemical action or stray radiation

— fog·less \-ləs\ adjective