fog mull

plural fog mulls

1. countableuncountableclimatologyA dense, heavy, and stationary fogbank.

   The fog mulls of summer were gone. The day was blue and gold and bright with a light that filled sky and sea, glinting through air clear as glass.

   1990, Kathleen Snow, Aguahega, A New Novel, page 164

   3 more examples

   Charlie and Joe set off, followed by Captain Rhines and the others. So large an accession of force enabled them to shingle the barn, and give the roof a coat of fish-oil, tar, red ochre, and brimstone, before the fog mull was over.

   1870, Elijah Kellogg, The Boy Farmers of Elm Island, page 175

   "This 'ere fog mull may hang on for a week or ten days, an' since I've been on the ledge I've known the smother to last a full two weeks without liftin' enough to show a man the end of his own nose. It stands to reason we can't hail any craft that we ain't able to see.

   1906, James Otis, The Light Keepers, A Story of the United States Light-house Service, page 67

   A little fog didn't hurt. It was when there was a long fog mull that she, like the others, hated it; yet it was not quite hate on Joanna's part, for she walked in the fog every day, as long as it lasted, and took a guilty pleasure in it when she knew the men were cursing it.

   1945, Elisabeth Ogilvie, Storm Tide, page 85