dissociation constant

(redirected from Disassociation constant)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to Disassociation constant: dissociation constant of water, Acid dissociation constant

dissociation constant

[də‚sō·sē′ā·shən ‚kän·stənt]
(physical chemistry)
A constant whose numerical value depends on the equilibrium between the undissociated and dissociated forms of a molecule; a higher value indicates greater dissociation.