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osmograph | osmometer | osmometry | osmoreceptor | osmose | osmosis | osmotic | osmotic pressure | osmotically | osmund | osmunda cinnamonea




osmosisn. [NL., fr. Gr. 'wsmo`s, equiv. to 'w^sis impulse, fr. 'wqei^n to push.].
     The tendency in fluids to mix, or become equably diffused, when in contact. It was first observed between fluids of differing densities, and as taking place through a membrane or an intervening porous structure. An older term for the phenomenon was Osmose.
    "The more rapid flow from the thinner to the thicker fluid was then called endosmosis (formerly endosmose), and the opposite, slower current, exosmosis (formerly exosmose). Both are, however, results of the same force. Osmosis may be regarded as a form of molecular attraction, allied to that of adhesion. See also osmotic pressure."  [1913 Webster]


osmosis, n.
1 Biochem. the passage of a solvent through a semi-permeable partition into a more concentrated solution.
2 any process by which something is acquired by absorption.

osmotic adj. osmotically adv.
orig. osmose, after F f. Gk osmos push



absorbency, absorbent, absorption, adsorbent, adsorption, assimilation, blotter, blotting, blotting paper, chemisorption, chemosorption, communication, conduction, contagion, convection, delivery, deportation, diapedesis, diffusion, digestion, dissemination, endosmosis, engrossment, exosmosis, export, exportation, expulsion, extradition, import, importation, infiltration, interchange, metastasis, metathesis, metempsychosis, migration, mutual transfer, passage, passing over, percolation, perfusion, seepage, sorption, sponge, sponging, spread, spreading, transduction, transfer, transfer of property, transference, transfusion, transit, transition, translation, translocation, transmigration, transmigration of souls, transmission, transmittal, transmittance, transplacement, transplantation, transposal, transposition, travel

For further exploring for "osmosis" in Webster Dictionary Online

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