American English

Definition of osmosis noun from the Oxford Advanced American Dictionary

     

    osmosis

     noun
    noun
    NAmE//ɑzˈmoʊsəs//
     
    , NAmE//ɑsˈmoʊsəs//
     
    [uncountable]
     
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  1. 1 (biology or chemistry) the gradual passing of a liquid through a membrane (= a thin layer of material) as a result of there being different amounts of dissolved substances on either side of the membrane Water passes into the roots of a plant by osmosis.
  2. 2the gradual process of learning or being influenced by something, as a result of being in close contact with it As if by osmosis, the facts became clear over a period of time.
NAmE//ɑzˈmɑt̮ɪk//
 
, NAmE//ɑsˈmɑt̮ɪk//
 
adjective osmotic pressure
See the Oxford Advanced Learner's Dictionary entry: osmosis