Onsager
/ʊnˈsaɡər/ /ˈɒnsɑːɡə/noun
Physical Chemical Onsager equation noun also Onsager's equation an equation that relates the conductance of an electrolytic solution to that of the pure solvent.
Origin
1920s; earliest use found in Proceedings of the Royal Society of London. From the name of Lars Onsager, Norwegian chemist.