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1. A submicroscopic aggregation of molecules, as a droplet in a colloidal system.
2. An organic particle of colloidal size found in coal.
3. A coherent strand or structure in natural or synthetic fibers.

[New Latin mīcella, from Latin mīca, grain.]

mi·cel′lar (-sĕl′ər) adj.


(mɪˈsɛl) or




(Chemistry) chem
a. a charged aggregate of molecules of colloidal size in a solution
b. any molecular aggregate of colloidal size, such as a particle found in coal
[C19: from New Latin micella, diminutive of Latin mīca crumb]
miˈcellar adj



1. an electrically charged colloidal particle formed by an aggregate of molecules.
2. an organized structural unit composed of such particles.
[1880–85; < German Micell (1877) < Latin mīc(a) crumb, grain + -ella -elle]
mi•cel′lar, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.micelle - an electrically charged particle built up from polymeric molecules or ions and occurring in certain colloidal electrolytic solutions like soaps and detergentsmicelle - an electrically charged particle built up from polymeric molecules or ions and occurring in certain colloidal electrolytic solutions like soaps and detergents
subatomic particle, particle - a body having finite mass and internal structure but negligible dimensions
References in periodicals archive ?
Microfiltrating milk at cold temperatures causes beta casein to dissociate from casein micelles.
Browse Nanotechnology Drug Delivery Systems Market by Technology Types (Nanocrystals, Nanoparticles, Dendrimers, Gold Nanoparticles, Fullerenes, Liposomes, Micelles, Nanotubes), and Applications (Anti-Infective, Anti-Inflammatory, Immunology, Cardiovascular, Physiology, Neurology, Oncology) and Forecast 2017-2021 at https://www.
Sheardown's group has been forming micelles from phenylboronic acid, which adheres well to the eye's mucous membranes and will stay put after insertion.
Reverse micelles, a possible alternative as a protein liquid-liquid extraction method from jackfruit seed, are surfactant molecule aggregates of nanometric size, with their polar groups concentrated in the interior, while their hydrophobic parts extend into and are surrounded by the organic solvent, thermodynamically stable and optically transparent system (Silber, Biasutti, Abuin, & Lissi, 1999; Nandini & Rastogi, 2009).
These aggregate to form micelles with the hydrophobic cores of LPS molecules arranged to avoid the aqueous external solution.
Use of nano-scopic polymeric micelles is considered to be the most reliable and compatible drug delivery system (DDS) for cancer therapy.
As the micelles form, the pigments in the food coloring get pushed around.
Polymeric micelles have better stability compared to surfactant micelles, enhanced solubilizing power, longer circulating time due to outer hydrophilic shell, small size and targeting capability which make them an attractive delivery vehicle for a variety of drugs including biomolecules.
Most work has involved organic reactions, generally in water, mediated by organic micelles which absorb reactants, providing a reaction region distinct from the bulk solvent.
Moreover, charge of casein micelles decreased with the progressive rise in pH of various solutions.
Micelles attract the dirt on your skin and then deliver it to the cotton wool you use to remove it.