Library / English Dictionary

SLUDGE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The precipitate produced by sewage treatment

Classified under:

Nouns denoting substances

Hypernyms ("sludge" is a kind of...):

precipitate (a precipitated solid substance in suspension or after settling or filtering)

Sense 2

Meaning:

Any thick, viscous matter

Synonyms:

goo; gook; goop; guck; gunk; muck; ooze; slime; sludge

Classified under:

Nouns denoting substances

Hypernyms ("sludge" is a kind of...):

matter (that which has mass and occupies space)

Hyponyms (each of the following is a kind of "sludge"):

sapropel (sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans)

 II. (verb) 

Sense 1

Present simple (first person singular and plural, second person singular and plural, third person plural) of the verb sludge

Credits

 Context examples: 

By using this approach, the composting process is accelerated by approximately two months compared to the usual method of treating sludge in aerated piles, and by one month compared to another classic method that uses concrete containers.

(Scientists validate a new technology that transforms sewage sludge into fertilizer more efficiently, University of Granada)