blue mud
nounGeology, Oceanography.
a deep-sea sediment of fine silt and clay that derives its bluish color from organic material and iron sulfide.
Origin of blue mud
1An Americanism dating back to 1830–40
Words Nearby blue mud
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use blue mud in a sentence
The north of Blue-Mud Bay has furnished also specimens of ancient sandstone; with columnar rocks, probably of clink-stone.
Stumps by the hundred, three to fifteen feet high, rooted in a stream of fine blue mud on cobbles, still have their bark on.
Travels in Alaska | John MuirHere and there I find gems of thought, but one has to wade through a morass of blue mud to get at them.
Some Diversions of a Man of Letters | Edmund William GosseWe steered on till eight o'clock, and then anchored in 21 fathoms, blue mud.
A Voyage to Terra Australis Volume 2 | Matthew FlindersWe sounded with twenty-six fathoms, over a bottom of blue mud.
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