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Osmosis vs Tonicity - What's the difference?

osmosis | tonicity |

As nouns the difference between osmosis and tonicity

is that osmosis is the net movement of solvent molecules, usually water, from a region of high solvent potential to a region of lower solvent potential through a partially permeable membrane while tonicity is the normal presence of tone or tension in a muscle or organ; tonus.

osmosis

Noun

(osmoses)
  • The net movement of solvent molecules, usually water, from a region of high solvent potential to a region of lower solvent potential through a partially permeable membrane
  • (slang) Picking up knowledge accidentally, without actually seeking that particular knowledge.
  • I was reading about chickens, and I guess I learned about hawks through osmosis .
  • * 1999 , Neil Gaiman, Stardust , pages 36-37 (2001 Perennial paperback edition)
  • At age fourteen, by a process of osmosis , of dirty jokes, whispered secrets and filthy ballads, Tristram learned of sex.

    Derived terms

    * electroosmosis * endosmosis * exosmosis

    tonicity

    English

    Noun

    (wikipedia tonicity) (tonicities)
  • (medicine) The normal presence of tone or tension in a muscle or organ; tonus
  • (sciences) The ability of a solution to exert an osmotic pressure upon a membrane