Osmosis

usgb/ɑːzˈməʊsɪs/
noun

A process where molecules of a solvent go through a semi-permeable membrane, from a less concentrated solution to a more concentrated one.

Osmosis is a vital process for the survival of living organisms.
Visual representation of "osmosis" - A process where molecules of a solvent go through a semi-permeable membrane, from a less concentrated solution to a more concentrated one.

Often appears as...

  • osmosis in cells
  • process of osmosis

Usage tips

Academic

Definition 1 of 2
Visual representation of "osmosis"
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Scientific Use

Used mostly in biology and chemistry to describe a physical process.

Illustration for Scientific Use
In biology class, we studied how osmosis is essential for kidney function.
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Membrane Requirement

Osmosis always involves a membrane that only lets certain things pass through.

Illustration for Membrane Requirement
Osmosis through the cell membrane helps maintain the cell's internal balance.
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Concentration Gradient

Understand that osmosis describes movement from less to more concentrated areas.

Illustration for Concentration Gradient
Saltwater fish have adapted to osmosis in an environment with high salt concentration.
Visual representation of the word "Osmosis"

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