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, pl.


(flok'yū-lŭs, -lī),
1. A tuft or shred of cotton or wool or anything resembling it.
2. A small lobe of the cerebellum at the posterior border of the middle cerebellar peduncle anterior to the biventer lobule; it is associated with the nodulus of the vermis; together, these two structures compose the flocculonodular lobe (vestibular part) of the cerebellum.
Synonym(s): floccule
[Mod. L. dim. of L. floccus, a tuft of wool]


A small, loosely held mass or aggregate of fine particles, resembling a tuft of wool and suspended in or precipitated from a solution.


An older term for a fluffy precipitate seen in a flocculation-type antigen-antibody reaction.
References in periodicals archive ?
Winter's (1972) study showed that ferric hydroxide floccules at concentrations above 1.
Iron floccules were observed grossly in oysters removed from field sites exposed to ASS-affected waters (Dove & Sammut in press).
1, the R value (B) of the total CS absorbed to stearic acid was appreciably higher than that (C) after the floccules were washed with anhydrous diethyl ether and the ratio (A) of n([COO.
Although both Al-PAM and HPAM can induce flocculation of clay fines, the size, shape, and structure of the floccules formed by these two polymers are different.
However, they provided no evidence that the clay crystals in the entities formed were in parallel or near parallel alignment, so they were probably investigating the characteristics of floccules rather than clay domains as they suggest.
The chemical oxidation stability of the membranes was estimated by the appearance time of floccules of the small pieces of the membranes in Fenton reagent (a 3% [H.
f], a key parameter in assessing the floccules sedimentation rate, can be calculated through the following relation: