Wiktionary
                    selectron
                    
                        
                
                                                                    n. (context physics English) A slepton which is the hypothetical supersymmetric partner of an electron
Wikipedia
                    Selectron
                    
                        
                
                                                                    Selectron may refer to one of the following:
- In particle physics, a selectron (particle) is a slepton which is the hypothetical supersymmetric partner of an electron
 - Selectron tube, the form of computer memory