log D

https://doi.org/10.1351/goldbook.11468
The logarithm of the ratio of the total concentration (neutral and charged species) of a compound in a nonpolar phase, traditionally water-saturated octan-1-ol, to that in water at a given \(\pu{pH}\).
Source:
PAC, 2016, 88, 239. (Glossary of terms used in computational drug design, part II (IUPAC Recommendations 2015)) on page 249 [Terms] [Paper]