blue mud

American  

noun

Geology, Oceanography.

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

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Etymology

Origin of blue mud

An Americanism dating back to 1830–40

Example Sentences

See Examples For:

blue mud

Deftly, with a delicacy surprising in such a big man, he began to scrape away the black leaves and dried blue mud from Drogo's chest.

From "A Game of Thrones" by George R.R. Martin

Beneath his painted vest, a plaster of fig leaves and caked blue mud covered the wound on his breast.

From "A Game of Thrones" by George R.R. Martin

Now, perhaps, we shall know the meaning of field exercises during the monsoon, with our horses up to the belly in blue mud!

From The Winds of the World by Mundy, Talbot

But the pink brains were all daubed with blue mud, just now, and if the Pink Kitten should see the Glass Cat in such a condition, it would be dreadfully humiliating.

From The Magic of Oz by Baum, L. Frank (Lyman Frank)

From the bridge over the remainder of the route, the bottom, with the exception of a few sand pockets, is soft—a blue mud with a large percentage of sand.

From The Industrial Canal and Inner Harbor of New Orleans History, Description and Economic Aspects of Giant Facility Created to Encourage Industrial Expansion and Develop Commerce by Dabney, Thomas Ewing