degree of association

of a micelle
https://doi.org/10.1351/goldbook.D01564
The number of @S06194@ ions in the @M03889@. It does not concern the location of the counterions.
Source:
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 612 [Terms] [Paper]