1) Floc 2) Flocculus 1) Floc 2) Material 3) Stuff 
• (n.) Specif.: A small particle of an insoluble substance formed in a liquid by the union of smaller particles. • (n.) A detached mass of loosely fibrous structure like a shredded tuft of wool.
Floc'cule noun [ See Flocculus .] 1. A detached mass of loosely fibrous structure like a shredded tuft of wool. 2. (Chemistry) Specif.: A small particle of an insoluble substance formed in a liquid by the union of smaller particles. 
Type: Term Pronunciation: flok′yūl Synonyms: flocculus
[n] - a small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid
floccule A small, loosely held mass or aggregate of fine particles suspended in or precipitated from a solution.
something resembling a small flock or tuft of wool. · a bit of flocculent matter, as in a liquid.