SLUDGE

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does sludge mean? 

• SLUDGE (noun)
  The noun SLUDGE has 2 senses:

1. the precipitate produced by sewage treatment

2. any thick, viscous matter

  Familiarity information: SLUDGE used as a noun is rare.

 Dictionary entry details 

• SLUDGE (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

Classified under:

Nouns denoting substances

Synonyms:

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

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)

 Context examples 

The seabed of Ligeia Mare is likely covered by a sludge layer of organic-rich compounds.

(Cassini Explores a Methane Sea on Titan, NASA)

In addition, it reduces by up to two months the time needed to stabilize and sterilise the organic matter from the sludge and convert it into fertilizer.

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

Organic food is produced without using most conventional pesticides; fertilizers made with synthetic ingredients or sewage sludge; bioengineering; or ionizing radiation.

(Organic food, NCI Thesaurus)

The team has developed a robust bio-inspired, liquid, sludge-, and bacteria-repellent coating that can essentially make a toilet self-cleaning.

(Materials scientists invent new coating for self-cleaning, water-efficient toilets, Wikinews)

The European regulations governing the treatment of sewage sludge have been made tougher over the last few years.

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

As a result of the treatment of these waters, millions of tons of sewage sludge are generated, filling landfills and generating pollution, unpleasant odours, and public health risks.

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

Research Group RNM-271 of the Department of Chemical Engineering at the University of Córdoba, in conjunction with Research Group RNM-270 of the University of Granada, has successfully validated a new technology that transforms wastewater sludge more efficiently.

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

To combat these issues, one of the most important alternatives is to transform sewage sludge, which has a high organic-matter content, into a resource that can be used for agricultural purposes as a crop fertilizer.

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

While, previously, practically all the sludge was dumped, the new regulations are stricter, requiring the waste to be sterilised and stabilised, since its incorrect handling can lead to public health problems due to microbial contamination and heavy metals.

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

The moveable covers enable temperatures to be monitored throughout the process, which, during the first stage, rise above the critical point of 55 degrees—the temperature necessary for the organic matter present in the sludge to be sterilised.

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