What does hypertonicity mean?

Definitions for hypertonicity
-toʊˈnɪs ɪ tihy·per·tonic·i·ty

This dictionary definitions page includes all the possible meanings, example usage and translations of the word hypertonicity.

Princeton's WordNet

  1. hypertonicitynoun

    (of a solution) the extent to which a solution has a higher osmotic pressure than some other

  2. hypertonia, hypertonus, hypertonicitynoun

    (of muscular tissue) the state of being hypertonic


  1. hypertonicitynoun

    the condition of being hypertonic


  1. hypertonicity

    In chemical biology, tonicity is a measure of the effective osmotic pressure gradient; the water potential of two solutions separated by a partially-permeable cell membrane. Tonicity depends on the relative concentration of selective membrane-impermeable solutes across a cell membrane which determine the direction and extent of osmotic flux. It is commonly used when describing the swelling-versus-shrinking response of cells immersed in an external solution. Unlike osmotic pressure, tonicity is influenced only by solutes that cannot cross the membrane, as only these exert an effective osmotic pressure. Solutes able to freely cross the membrane do not affect tonicity because they will always equilibrate with equal concentrations on both sides of the membrane without net solvent movement. It is also a factor affecting imbibition. There are three classifications of tonicity that one solution can have relative to another: hypertonic, hypotonic, and isotonic. A hypotonic solution example is distilled water.


  1. hypertonicity

    Hypertonicity refers to a state where a solution has a higher concentration of solute particles compared to another solution, often in the context of biological cells. In such a scenario, water tends to move from the area of lower concentration (hypotonic solution) to the area of higher concentration (hypertonic solution) in an attempt to establish an equilibrium, a process known as osmosis. This can cause cells to shrink due to loss of water.

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  1. Chaldean Numerology

    The numerical value of hypertonicity in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of hypertonicity in Pythagorean Numerology is: 7

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"hypertonicity." Definitions.net. STANDS4 LLC, 2023. Web. 4 Dec. 2023. <https://www.definitions.net/definition/hypertonicity>.

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