- Biol. a submicroscopic structural unit composed of a group of molecules, as in living protoplasm, starch grains, etc.
- Chem. a structural unit, as
- a colloidal ion composed of an oriented arrangement of molecules
- an aggregate of polymerized molecules joined together
Origin of micelleModern Latin micella, diminutive from Classical Latin mica, a grain, crumb: see mica