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English definition of “osmosis”

osmosis

noun [U] (LIQUID)    /ɒzˈməʊ.sɪs/ US  /ɑːzˈmoʊ-/
specialized biology the process in plants and animals by which a liquid moves gradually from one part of the body or the plant to another through a membrane (= cell covering ): Fluid flows back into the tiny blood vessels by osmosis.Physical and chemical processes osmotic     /-ˈmɒt.ɪk/ US  /-ˈmɑː.t̬ɪk/ adjective [before noun] an osmotic process Physical and chemical processes
(Definition of osmosis noun (LIQUID) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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