Micella

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Micella \Mi*cel"la\, n.; pl. {Micellae}. [NL., dim. of L. mica a
     morsel, grain.] (Biol.)
     A theoretical aggregation of molecules constituting a
     structural particle of protoplasm, capable of increase or
     diminution without change in chemical nature.
     [1913 Webster] Mich