The phenomenon whereby water diffuses through a semipermeable membrane toward an area where there is more material in solution (where there is a relatively lower concentration of water). Has particular application regarding salinization of soils where plants are unable to grow because of osmotic water loss.
The passage of solvent through a semipermeable membrane separating solutions of different concentrations. The solvents usually pass from the region of lower concentration to that of higher concentration, tending to equalize the concentrations of the two solutions.
Movement of water molecules through a thin membrane from an area of high concentration to an area of low concentration.
the passage of solvent molecules, but not solute molecules, through a semi-permeable membrane
The movement of pure water across a membrane from a compartment with relatively low dissolved ions to a compartment with higher concentrations of dissolved ions.
The passage of water or another solvent through a semipermeable membrane from a region of low solute concentration to a region of high solute concentration.
Osmosis is a natural process in which a solvent (water) passes through a semi-permeable membrane from the side with lower solute concentration to the side with higher solute concentration, until the concentrations on either side of the membrane are equal.
Osmosis is the flow of a solvent in a system in which two solutions of different concentration are separated by a semipermeable membrane which cannot pass solute molecules. The solvent will flow from the side of lower concentration to that of higher concentration, thus tending to equalize the concentrations. The pressure that must be applied to the more concentrated side to stop the flow is called the osmotic pressure.
the diffusion of water across a membrane that permits the free passage of water but not that of one or more solutes.
(oz mo´ sis) [Gr. osmos: to push] • The movement of water through a differentially permeable membrane from one region to another where the water potential is more negative. This is often a region in which the concentration of dissolved molecules or ions is higher, although the effect of dissolved substances may be offset by hydrostatic pressure in cells with semi-rigid walls.
the movement of a solvent, such as water, across a selectively permeable membrane from a solution that has a lower solute concentration to one that has a higher solute concentration.
Net movement of water molecules across a semipermeable membrane driven by a difference in concentration of solute on either side. The membrane must be permeable to water but not to the solute molecules.
Diffusion of fluid through a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equal concentration of fluid on both sides of the membrane.
The process by which a fish takes in or excretes water through its skin in order to maintain the correct balance of salts and fluids within its body tissues.
the movement of water through a membrane from a solution of low concentration to a solution of high concentration. It is the main mechanism by which water is absorbed by the bowel.
the phenomenon of the passage of certain fluids and solutions through a membrane or other porous substance.
Diffusion of a solvent through a semipermeable membrane into a more concentrated solution, tending to equalize the concentrations on both sides of the membrane.
The tendency of a fluid to pass through a permeable membrane such as the wall of a living cell into a less concentrated solution so as to equalize the concentrations on both sides of the membrane.
The natural tendency for water molecules to pass through a semipermeable membrane, from the side low in dissolved impurities to the side high in dissolved impurities.
The process by which one component of a solution passes through a membrane to dilute the solution.
Osmosis is the diffusion of water through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration. The semi-permeable membrane is permeable to water, but not to the solute, resulting in a chemical potential difference across the membrane which drives the diffusion. That is, water flows from the side of the membrane where the solution is weakest to the side where it is strongest, until the solution on both sides of the membrane is at the same concentration.
Process by which water naturally travels from an area of high water concentration to low water concentration.
Diffusion between two miscible fluids separated by a permeable wall.
The diffusion of a solvent through a semipermeable membrane from a solution of higher concentration to one of lower concentration until there are equal concentrations of fluid on both sides of the membrane.
The passage of fluid through a membrane separating solutions of varying thickness. The fluid passes through the membrane from the region of lower concentration of dissolved substance. The two solutions tend to reach equal concentrations.
(oz- moh-sis) [Gk. osmos, impulse, thrust] The diffusion of water across a selectively permeable membrane.
Diffusion of substances through a cell wall or other membrane.
The movement of fluid through a membrane, tending to equalize the concentrations of the solutions on both sides. Cf. osmolarity.
The passage of solvent through a semipermeable membrane from a region of higher concentration of solute to a region of lower concentration of solute.
Passive movement of water tending to equalize concentration of water in two solutions of differing solute concentration separated by a semipermeable membrane. Note: the water concentration is the reverse of the solute concentration.
the diffusion of water molecules across a selectively permeable membrane.
the movement of water molecules across a membrane from a region of high concentration to a region of low concentration.
the diffusion of water through a semipermeable membrane from an area of higher concentration of water to an area of lower concentration of water.
A process that maintains equilibrium and involves the diffusion of water from a place of high concentration to a place of low concentration. The water travels across a membrane that is differentially permeable.
diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
Movement of solvent molecules through a semi permeable membrane, from a less to a more concentrated solution.
Movement of water through a semipermeable membrane from an area of low concentration of solute to an area of higher concentration to equalize the osmotic pressure created by differences in concentration.
Water molecules passing through membranes naturally, to the side with the highest concentration of dissolved impurities.
transfer of a solvent from a diluted solution to a concentrated solution through a membrane; reverse osmosis: separation process with transfer in the opposite direction
Phenomenon of solvent flow occurring between two cells containing solutions with different solute concentration separated by a membrane that is permeable to the solvent and impermeable to the solute.
The chemical process in which water is attracted to an area with a higher salt content.
oz-MO-sis Passive diffusion of water. 88
The movement of a solvent, such as water, through a semipermeable membrane from a solution that has a lower solute concentration to one that has a higher solute concentration. The membrane is impermeable to the solute but is permeable to the solvent. The movement across the membrane continues until the concentrations of the solutions equalize.
The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.
The passage of a liquid from a weak solution to a more concentrate solution across a semipermeable membrane that allows passage of the solvent (water) but not the dissolved solids. This process tends to equalize the conditions on either side of the membrane.
The process of passage of the solvent portion of a lesser-concentrated solution through a semipermeable membrane into a higher-concentrated solution until the two solutions are equal in concentration; plays an important role in water distribution in the body.
The movement of water between two solutions, separated by a membrane that permits the free passage of water but prevents or slows down the passage of dissolved substances. The water moves more rapidly from the less concentrated solution to the solution of a higher concentration than in the opposite direction. Reverse osmosis is the movement of a solvent in the opposite direction from osmosis. Pressure – usually 5 MPa - 20 MPa – is applied on the high concentration side of the membrane, forcing the solvent through a membrane to a solution of lower concentration. Pure solvent is obtained on the other side. The membranes used for reverse osmosis do not have pores: rather, separation takes place in a polymer layer of microscopic thickness. For more information see How reverse osmosis works (How Stuff Works, USA).
The movement of solvent molecules through a membrane from region of lower solute concentration to a region of higher solute concentration.
process that maintains equilibrium through the diffusion of water from a place of high concentration to a place of low concentration through a selectively permeable membrane.
the movement of water from a WEAK solution to a STRONGER solution through a semi-permeable membrane.
Movement of fluid through a semipermeable membrane to achieve equal concentration on both sides of the membrane.
Diffusion of water through a semipermeable membrane from a region of low salt concentration to a region of higher salt concentration to equalize solution strength.
The movement of water molecules through a thin membrane. Reverse osmosis is a water treatment process used to remove or reduce salts from saline water.
The diffusion of a solvent through a semi-permeable membrane into a more concentrated solution
Diffusion of water molecules across a membrane in response to differences in solute concentration. Water moves from areas of high-water/low-solute concentration to areas of low-water/high-solute concentration. Diffusion of water across a semi-permeable barrier such as a cell membrane, from high water potential (concentration) to lower water potential (concentration).
The movement of a substance dissolved in a solution with a lower concentration through a membrane to a solution with a higher concentration.
process of absorption or diffusion of liquids in and out of a cell membrane
denotes the (liquid) material transport through a membrane from a higher concentrated solution to a lower concentrated solution until there is a equilibrium of the concentration in both solutions
The movement of water from a high concentration of water to a low concentration of water across a membrane.
Is the flow of water from a less concentrated solution to a more concentrated solution through a semipermeable membrane until energy equilibrium has been achieved.
The process of passing a fluid through a membrane to increase fluid concentration.
Diffusion of water or any solvent (pure liquid) from a region of greater water potential to one of lesser water potential across a selectively permeable membrane.
Osmosis is a process in which water flows across a semi-permeable membrane from an area of higher concentration of water to an area of lower concentration of water, effectively moving to equalize concentrations. In the case of sharks vs. sea water, water flows from the sea water into the even-saltier shark via gill tissues.
The diffusion of liquid through a paint film or other such membrane.
The diffusion of fluids through a semi-permeable membrane or porous partition.
The movement of water from an area of high concentration to an area of low concentration by passive diffusion.
The movement of a solvent through a semipermeable membrane from a less concentrated solution to a more concentrated one.
the movement of water through a selectively permeable membrane from an area of greater concentration to an area of lesser concentration
the movement of water molecules through a thin membrane. The osmosis process occurs in our bodies and is also one method of desalinizing saline water.
Compare with reverse osmosis. Passage of solvent molecules from a dilute solution through a semipermeable membrane to a more concentrated solution.
The process by which a liquid passes from an area of low concentration through a semi-permeable membrane to an area of high concentration.
A process of diffusion of water through a semi-permeable membrane, which will transmit the water, but impede most dissolved substances. The normal flow of water is from the dilute solution to the concentrated solution.
Transmission of fluids from one cell into another; foundation of metabolism, led by the concentration of salt within a cell. Water can penetrate cell membranes, and strives to, where the concentration of salt is highest, in order to equalize the salt concentration in the body.
A process of diffusion of a solvent such as water through a semipermeable membranae which will transmit the solvent but impede most dissolved substances. The normal flow of solvent is from the dilute solution to the concentrated solution in an attempt to bring the solutions on both sides of the membranae to equilibrium. (See equilibrium, reverse osmosis.)
the flow or diffusion that takes place through a semipermeable membrane typically separating a solvent and a solution that strives to bring about a condition of equilibrium.
The movement of water down its concentration gradient.
The diffusion of a fluid through a semi permeable membrane. Resulting in equalization of pressures on each side.
the natural passage or diffusion of water (or other liquids) through a semi permeable membrane.
The natural tendency for water to spontaneously pass through a semipermeable membrane separating two solutions of different concentrations (strengths).
Movement of a solution through the membrane of a cell.
Osmosis is a process in which water moves across a semi-permeable membrane in order to equalize the concentration of the solution on both sides. For example, water will move across a cell membrane from areas of low salinity (a hypotonic solution) to areas of high salinity (a hypertonic solution) to equalize the concentrations (and create two isotonic solutions).
Net movement of water across a semipermeable membrane from a solution of lesser to one of greater solute concentration. The membrane must be permeable to water but not to solute molecules.
Osmosis is the movement of water molecules across a semipermeable membrane from a region of low solute potential to an area of high solute potential (or equivalently, from a region of high solvent potential to a region of low solvent potential). The partially permeable membrane must be permeable to the solvent, but not to the solute, resulting in a pressure gradient across the membrane.