osmotic pressure
osmotic pressure The pressure that is needed to prevent the passage of water or another pure solvent through a semi-permeable membrane separating the solvent from the solution. Osmotic pressure rises with an increase in concentration of the solution. Where two solutions of different substances or concentrations are separated by a semi-permeable membrane, the solvent will move to equalize osmotic pressure within the system. The concept has been largely replaced by that of water potential.
osmotic pressure
osmotic pressure The pressure that is needed to prevent the passage of water or another pure solvent through a semi-permeable membrane separating the solvent from the solution. Osmotic pressure rises with an increase in concentration of the solution. Where two solutions of different substances or concentrations are separated by a semi-permeable membrane, the solvent will move to equalize osmotic pressure within the system.
osmotic pressure
osmotic pressure The pressure needed to prevent the passage of water or other pure solvent through a semi-permeable membrane separating the solvent from the solution. Osmotic pressure rises with an increase in concentration of the solution. Where two solutions of different substances or concentrations are separated by a semi-permeable membrane, the solvent will move to equalize osmotic pressure within the system.
osmotic pressure
osmotic pressure
osmotic pressure n. the pressure by which water is drawn into a solution through a semipermeable membrane; the more concentrated the solution, the greater its osmotic pressure.
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osmotic pressure