The story
- German · borrowed fromAufbau“build-up, construction”
- English todayaufbau principle
From German Aufbau (“build-up, construction”).
Etymology from Wiktionary, CC BY-SA 4.0.
aufbau principle
Today it means: The rule stating that, in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, followed by subshells of higher energy. Full definition →
German Aufbau