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micelle Line breaks: mi|celle
Pronunciation: /mɪˈsɛl/

Definition of micelle in English:


An aggregate of molecules in a colloidal solution, such as those formed by detergents.
Example sentences
  • As the polyethylene oxide drew more water out of the fibroin solution, the micelles aggregated into microscopic globules.
  • The team made micelles from polymer molecules that have a water-attracting end and a water-avoiding end.
  • The SDS molecules group together to form negatively charged micelles.


Example sentences
  • In fact, the affinity of anions toward cationic micellar aggregates, that is the degree of counterion binding, has been found to follow the Hofmeister series.
  • When the average diameter is less than 100 the system is called a micellar emulsion.
  • As the concentration of the detergent decreases from these lipid-detergent and lipid-protein-detergent micellar solutions, lipid bilayers are progressively formed in which the transmembrane proteins are incorporated.


Late 19th century: coined as a diminutive of Latin mica 'crumb'.

Definition of micelle in:
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