dissociation constant

dissociation constant
dissociation constant n a constant that depends upon the equilibrium between the dissociated and undissociated forms of a chemical combination esp IONIZATION CONSTANT symbol K

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an equilibrium constant, expressed in concentrations, describing the dissociation of a molecule or ion into its components. Symbol Kd>. See also acid dissociation c. and base dissociation c. Called also ionization c.

Medical dictionary. 2011.

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  • dissociation constant — noun the equilibrium constant for a reversible dissociation • Hypernyms: ↑equilibrium constant …   Useful english dictionary

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  • acid dissociation constant — the dissociation constant describing the ionization of an acid. Symbol Ka. For an acid HA …   Medical dictionary

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