Meaning & use
osmosis
The gradual movement of a solvent through a membrane from a less concentrated to a more concentrated solution.
See it in a sentence
Water enters plant roots by osmosis, moving from the soil into cells with higher salt concentration.
The teacher explained osmosis using a demonstration with a raw egg soaked in vinegar and syrup.
A note on using this word
Osmosis specifically involves a solvent crossing a semipermeable membrane; it is often confused with diffusion, a broader mixing process.
Words with a similar meaning
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