The story
Devised by Ernest Rutherford.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A conceptual model of the atom, superseding the plum pudding model, and involving a relatively high central charge concentrated into a very small volume in comparison to the rest of the atom, with this central volume (the nucleus) containing most of the atom's mass. It was superseded by the Bohr model. Full definition →
Devised by Ernest Rutherford.
Etymology from Wiktionary, CC BY-SA 4.0.