stability constant
An @E02177@ that expresses the propensity of a substance to form from its component parts. The larger the stability constant, the more @S05900@ is the species. The stability constant (@F02485@) is the reciprocal of the instability constant (@D01801@ constant).
PAC, 1997, 69, 1251. (Glossary of terms used in bioinorganic chemistry (IUPAC Recommendations 1997)) on page 1298 [Terms] [Paper]