blue mud
noun Geology, 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
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,
blue nevus,
blue nile,
blue norther
Example sentences from the Web for blue mud
The north of Blue-Mud Bay has furnished also specimens of ancient sandstone; with columnar rocks, probably of clink-stone.