The story
Named after the German physical chemist Walther Nernst, who formulated it.
Etymology from Wiktionary, CC BY-SA 4.0.
Nernst equation
Today it means: An electrochemical equation that relates the reduction potential of a half-cell (or the total voltage, i.e. the electromotive force, of the full cell) at any point in time to the standard electrode potential, temperature, activity, and reaction quotient of the underlying reactions and species used. Full definition →