osmosis NOUN 1) Biology & Chemistry a process by which molecules of a solvent pass through a semipermeable membrane from a less concentrated solution into a more concentrated one. 2) the gradual assimilation of ideas.
DERIVATIVES osmotic adjective.
ORIGIN Greek smos 'a push' .

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  • osmotic — OSMÓTIC, Ă, osmotici, ce, adj. Care ţine de osmoză, privitor la osmoză, al osmozei. ♢ Presiune osmotică = presiune care apare în soluţii şi care produce fenomenul de osmoză. – Din fr. osmotique. Trimis de oprocopiuc, 15.05.2004. Sursa: DEX 98 … …   Dicționar Român

  • osmotic — os*mot ic, a. Pertaining to, or having the property of, osmosis; as, osmotic force. [1913 Webster] …   The Collaborative International Dictionary of English

  • osmotic — Having to do with osmosis (the passage of a liquid through a membrane from a less concentrated solution to a more concentrated one). This causes the more concentrated solution to become diluted, and makes the concentrations in both solutions more …   English dictionary of cancer terms

  • osmotic — adjective of or relating to osmosis osmotic pressure • Pertains to noun: ↑osmosis • Derivationally related forms: ↑osmosis …   Useful english dictionary

  • Osmotic shock — or osmotic stress is a sudden change in the solute concentration around a cell, causing a rapid change in the movement of water across its cell membrane. Under conditions of high concentrations of either salts, substrates or any solute in the… …   Wikipedia

  • Osmotic dehydration — is an operation used for the partial removal of water from plant tissues by immersion in a hyper tonic (osmotic) solution. Process Water removal is based on the natural and non destructive phenomenon of osmosis across cell membranes. The driving… …   Wikipedia

  • Osmotic nephrosis — refers to structural changes that occur at the cellular level in the human kidney. cells of, primarily, the straight proximal tubule swell due to the formation of large vacuoles in the cytoplasm. These vacuoles occur in the presence of large… …   Wikipedia

  • Osmotic fragility — Intervention MeSH D009996 In hematology, osmotic fragility refers to the degree of hemolysis when red blood cells are placed in a hypotonic solution. In general, osmotic fragility is inversely proportional to …   Wikipedia

  • osmotic pressure — os*mot ic pres sure, n. (Physical Chemistry) The pressure which a solution of a substance in a liquid exerts on a semipermeable membrane, through which the solvent can diffuse but the dissolved substance (the solute) cannot diffuse, when… …   The Collaborative International Dictionary of English

  • osmotic shock — n a rapid change in the osmotic pressure (as by transfer to a medium of different concentration) affecting a living system * * * exposure of membrane bound stuctures to an extremely hypotonic environment, which results in rupture of the membrane… …   Medical dictionary

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