blue mud

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noun Geology, Oceanography.

a deep-sea sediment of fine silt and clay that derives its bluish color from organic material and iron sulfide.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of blue mud

An Americanism dating back to 1830–40

Words nearby blue mud

blue mold, blue Monday, blue moon, blue mould, Blue Mountains, blue mud, blue murder, blue myrtle, blueness, Blue Nile, blue norther

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.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
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 Muir
Here 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 Gosse
We steered on till eight o'clock, and then anchored in 21 fathoms, blue mud.
A Voyage to Terra Australis Volume 2|Matthew Flinders

We sounded with twenty-six fathoms, over a bottom of blue mud.
An Historical Journal of the Transactions at Port Jackson and Norfolk Island|John Hunter