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Meaning of black mud | Babel Free

Noun CEFR B2

Definitions

Used other than figuratively or idiomatically: see black, mud.
countable, uncountable
Reduced mud found below the surface of sediments in lakes and rivers, the blackness of which is caused by the occurrence of metal sulphides.
countable, uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

black mudalia black mudfish black mulberry Black Muslim black mustard Black New World Order