
1) Floccule 2) Fluffy mass 3) Mass of fine particles 4) Material 5) Stuff 6) Tuftlike mass
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https://www.crosswordclues.com/clue/floc

1) Floccule
Found on
https://www.crosswordclues.com/clue/floc

(from the article `environmental works`) ...is usually preceded by a chemical process known as coagulation. Chemicals (coagulants) are added to the water to bring the nonsettling particles ...
Found on
http://www.britannica.com/eb/a-z/f/37

a tuft of soft, woolly hair
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http://www.calflora.net/botanicalnames/botanicalterms.html

a very fine, fluffy mass formed by the aggregation of fine suspended particles.
Found on
http://www.chemicalglossary.net/definition/736-Floc

A colloquial term for the product of a flocculation, i.e., the separation of the disperse phase of a colloidal suspension into discrete, usually visible particles, as in certain serologic precipitin tests. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

a very fine, fluffy mass formed by the aggregation of fine suspended particles.
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http://www.hach.com/chemGlossary

Type: Term Pronunciation: flok Definitions: 1. A colloquial term for the product of a flocculation, the separation of the disperse phase of a colloidal suspension into discrete, usually visible particles, as in certain serologic precipitin tests.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=34036

A clump of solids formed in sewage by biological or chemical action.
Found on
https://www.encyclo.co.uk/local/20094
No exact match found.