Einstein
| Noun | 1. |  Einstein - physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955)Synonyms: Albert Einstein |
| 2. | Einstein - someone who has exceptional intellectual ability and originality; "Mozart was a child genius"; "he's smart but he's no Einstein" |